Looking Beyond the Lexar 128GB NS100 Internal SSD? 6 Alternatives Worth a Look
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You might be evaluating lexar 128gb ns100 internal SSD alternatives if you need a different balance of capacity, speed, or controller features for your system. The original Lexar NS100 128GB SATA III drive handles routine boot tasks reliably, offering sequential read speeds up to 520MB/s and a 60TBW endurance rating. Its slim 0.28-inch profile and shock-resistant design make it a dependable drop-in replacement for mechanical hard drives in standard 2.5-inch bays.
However, you may want a different brand, higher write endurance, or a larger capacity tier like 250GB or 256GB to hold more data. Other models also introduce features such as SmartECC, TRIM, or faster sequential reads up to 560MB/s. The 6 alternatives in this guide were chosen because their specifications directly overlap with the original Lexar model, giving you practical 2.5-inch SATA III choices that match your specific hardware requirements.
Our top pick: Lexar NS100 128GB 2.5-Inch SATA SSD.
Comparing Lexar NS100 SATA SSD Alternatives
PNY CS900 250GB 2.5-Inch SATA SSD
The PNY CS900 provides 250GB of storage, roughly doubling the 128GB capacity of the Lexar NS100. It also offers a higher sequential read speed of 535MB/s compared to Lexar's 520MB/s, which helps with file transfers and application launch times. However, the CS900 is slightly heavier at 1.59 ounces compared to the 1.2-ounce Lexar, and its 0.3-inch profile is marginally thicker than Lexar’s 0.28-inch casing. The manufacturer also omits a specific TBW endurance figure, whereas Lexar specifies 60TBW. You should choose the PNY CS900 if your everyday desktop or laptop upgrade requires extra storage headroom and modestly quicker reads.
Patriot P210 128GB SATA SSD
The Patriot P210 matches the Lexar NS100 with 128GB of storage and a slim 0.28-inch profile. Unlike the Lexar drive, the P210 highlights integrated SmartECC and thermal management firmware to protect data and control operating heat during daily tasks. However, Patriot does not specify an explicit maximum read speed, whereas Lexar guarantees up to 520MB/s. It also lacks a published endurance rating like Lexar's 60TBW metric, and the drive weighs slightly more at 1.62 ounces versus 1.2 ounces. You should select the Patriot P210 if you want an entry-level Windows boot drive with integrated controller error correction and thermal protection.
TEAMGROUP 256GB TLC 2.5-Inch SATA SSD
The TEAMGROUP AX2 doubles the available storage space of the Lexar NS100, providing 256GB using 3D TLC NAND flash. It explicitly includes TRIM and ECC support for ongoing background drive maintenance. At 0.71 ounces, it is significantly lighter than the 1.2-ounce Lexar, while keeping the identical 0.28-inch form factor for easy bay compatibility. In trade, TEAMGROUP does not list a specific sequential read ceiling to match Lexar’s 520MB/s spec, nor does it publish a clear endurance target like Lexar’s 60TBW. Pick the TEAMGROUP AX2 if you want twice the capacity and lower weight for routine laptop or desktop upgrades.
Fanxiang 256GB 2.5-Inch SATA SSD
The Fanxiang S101 offers 256GB of TLC NAND storage, providing double the space found on the 128GB Lexar NS100. However, it concedes some performance with sequential read speeds rated up to 500MB/s, compared to Lexar’s 520MB/s. It is also considerably bulkier: measuring 0.63 inches tall and weighing 2.08 ounces, it exceeds Lexar’s slim 0.28-inch, 1.2-ounce footprint, which could limit installation inside tight notebook drive bays. It also omits a stated endurance figure like Lexar's 60TBW. You should choose the Fanxiang S101 if you need extra storage capacity for a standard desktop system where drive thickness and weight are not restrictive.
Fikwot 128GB 2.5-Inch SATA III SSD
The Fikwot FS810 matches the Lexar NS100 with 128GB of storage in a slim 0.28-inch enclosure, but it pushes sequential read speeds up to 560MB/s. That surpasses Lexar’s 520MB/s rating, allowing faster basic boot sequences and file reading. It also explicitly specifies 3D TLC NAND flash architecture. On the other hand, Fikwot does not publish an official endurance specification to rival Lexar's 60TBW rating, and weight specifications are not provided. You should pick the Fikwot FS810 over the Lexar NS100 if your priority is achieving the fastest possible sequential read speeds for an entry-level operating system drive on legacy SATA hardware.
Ediloca 128GB 2.5-Inch SATA III SSD
The Ediloca ES106 provides 128GB of storage and relies on 3D TLC NAND flash, making it a direct functional alternative to the Lexar NS100. However, its sequential read speed tops out at 500MB/s, falling short of Lexar’s 520MB/s capability. The manufacturer also leaves out key physical details such as drive dimensions and weight, whereas Lexar clearly specifies a 0.28-inch profile and 1.2-ounce weight. Furthermore, Ediloca does not advertise a verified endurance rating to match Lexar's 60TBW. You should choose the Ediloca ES106 if you need a straightforward 3D TLC replacement drive for a laptop where modest read speed differences do not impact daily use.
Quick picks
Our 7 picks
Lexar NS100 128GB 2.5-Inch SATA SSD
Best for: basic OS installs and light computing
- Storage Capacity
- 128GB
- Interface
- SATA III
- Form Factor
- 2.5"
- Max Read Speed
- 520MB/s
- Compatibility
- Laptop
- Dimensions
- 3.94 × 2.75 × 0.28 inches
The Lexar NS100 is a 2.5-inch internal solid-state drive built for basic storage upgrades. It uses a SATA III interface delivering sequential read speeds up to 520MB/s and carries a 60TBW endurance rating. At 0.28 inches thick and 1.2 ounces, it fits standard laptop or desktop drive bays. This drive suits you if you need a shock-resistant drive for a lightweight operating system install or routine computer boot duties.
Pros
- Sequential read speeds reach up to 520MB/s
- Endurance rating of 60TBW for 128GB capacity
- Standard 0.28-inch 2.5-inch SATA III form factor
- Shock and vibration resistant with zero moving parts
Cons
- Sequential write speed not specified in published data
- Low 128GB capacity limits software and file storage
Good fit if
- You need a standard 2.5-inch SATA drive for basic laptop or PC upgrades.
- You require up to 520MB/s read speeds for everyday system boot tasks.
- You want a documented 60TBW endurance rating for light workloads.
Skip if
- You need more than 128GB of space for larger applications.
- You require explicit sequential write speed ratings.
Verdict: Lexar NS100 128GB 2.5-Inch SATA SSD offers up to 520MB/s reads and 60TBW endurance in a compact 0.28-inch enclosure. It handles routine drive replacement tasks reliably if 128GB matches your storage needs.
PNY CS900 250GB 2.5-Inch SATA SSD
Best for: everyday desktop and laptop SATA upgrades
- Storage Capacity
- 250GB
- Interface
- SATA III
- Form Factor
- 2.5"
- Max Read Speed
- 535MB/s
- Max Write Speed
- 500MB/s
- Compatibility
- Laptop
The PNY CS900 250GB is a standard 2.5-inch SATA III solid-state drive built to replace traditional hard disk drives. It delivers sequential read speeds up to 535MB/s and sequential write speeds up to 500MB/s, providing double the baseline capacity of 128GB drives. If you need a responsive boot drive for an older desktop or laptop with legacy SATA ports, this gives you practical storage.
Pros
- Sequential read speeds up to 535MB/s
- Sequential write speeds up to 500MB/s
- 250GB storage capacity
- Backward compatible with SATA II 3Gbps ports
Cons
- Maximum throughput is limited by the SATA III interface
- 250GB capacity fills quickly if you install multiple modern games
Good fit if
- You need twice the capacity offered by standard 128GB boot drives.
- You want balanced read and write transfer rates up to 535MB/s and 500MB/s.
- You are upgrading a computer that relies on a 2.5-inch SATA bay.
Skip if
- You have a motherboard slot that supports faster NVMe PCIe drives.
- You need 500GB or more of local storage for large project libraries.
Verdict: PNY CS900 250GB 2.5-Inch SATA SSD provides a dependable capacity step-up over entry-level 128GB options with solid 535MB/s read speeds. It functions well as a drop-in replacement for aging 2.5-inch hard drives.
Patriot P210 128GB SATA SSD
Best for: basic Windows drives and light computing tasks
- Storage Capacity
- 128GB
- Interface
- SATA 3
- Form Factor
- 2.5 Inch
- Max Read Speed
- Up to 450MB/s
- Max Write Speed
- Up to 350MB/s
- Dimensions
- 3.94 × 2.74 × 0.28 inches
The Patriot P210 is a 2.5-inch SATA III solid-state drive built for basic desktop and laptop upgrades. It offers 128GB of storage space, maximum sequential read speeds up to 450MB/s, and write speeds up to 350MB/s. It also includes SmartECC, thermal throttling, and end-to-end data path protection. If you need a straightforward drive for an older Windows PC or secondary boot volume, this unit covers everyday tasks without complex setup.
Pros
- Includes SmartECC and end-to-end data path protection
- Equipped with built-in thermal throttling technology
- Sequential read speeds reach up to 450MB/s
- Backed by a 3-year manufacturer warranty
Cons
- Sequential write speed caps at 350MB/s
- Random 4K write performance is limited to 30K IOPS
- Supported operating system list only specifies Windows 7 through 10
Good fit if
- You need a 128GB 2.5-inch drive for basic daily computing tasks.
- You want built-in data integrity features like SmartECC and thermal throttling.
Skip if
- You require sequential write speeds higher than 350MB/s.
- You need more than 128GB of storage capacity for large file libraries.
Verdict: Patriot P210 128GB SATA III SSD provides standard SATA performance paired with SmartECC and thermal management. It offers a practical storage upgrade for compatible Windows machines that handle routine day-to-day operations.
TEAMGROUP 256GB TLC 2.5-Inch SATA SSD
Best for: routine 2.5-inch SATA laptop and desktop upgrades
- Storage Capacity
- 256GB
- Interface
- SATA III 6Gb/s
- Form Factor
- 2.5 Inch
- Max Read Speed
- 520 MB/s
- Max Write Speed
- 430 MB/s
- Compatibility
- Laptop, Desktop
This TEAMGROUP internal drive gives you 256GB of 3D NAND TLC storage in a standard 2.5-inch form factor. It connects via SATA III 6Gb/s, delivering sequential read speeds up to 520 MB/s and write speeds up to 430 MB/s. Built-in TRIM, ECC, and wear-leveling handle drive health. It suits you if you need double the base 128GB capacity for an older laptop or desktop without switching to NVMe.
Pros
- Sequential read speeds up to 520 MB/s and write speeds up to 430 MB/s
- 256GB capacity offers double the room of baseline 128GB drives
- Uses 3D NAND TLC flash memory
- Supports TRIM, S.M.A.R.T., ECC, and wear-leveling
Cons
- SATA III transfer limits fall well below NVMe drive speeds
- Maximum write speed is limited to 430 MB/s
Good fit if
- You need a 256GB 2.5-inch SATA drive to replace a mechanical hard drive.
- You want 3D TLC flash paired with standard TRIM and wear-leveling features.
Skip if
- You have an available M.2 slot that accepts faster NVMe drives.
- You need write performance exceeding 430 MB/s.
Verdict: TEAMGROUP 256GB TLC 2.5-Inch SSD delivers dependable SATA III speeds and essential maintenance features like TRIM and ECC. It provides a simple 256GB capacity boost for aging laptops or desktop PCs.
Fanxiang 256GB 2.5-Inch SATA SSD
Best for: everyday 256GB SATA laptop and desktop upgrades
- Storage Capacity
- 256GB
- Interface
- SATA III
- Form Factor
- 2.5"
- Max Read Speed
- 500MB/s
- Max Write Speed
- 400MB/s
- Compatibility
- Laptop
Fanxiang 256GB 2.5-Inch SATA SSD is an internal drive built for desktops, laptops, and all-in-one systems running Windows, Linux, or Mac OS. You get 256GB of storage using 3D NAND TLC flash memory on a SATA III interface. It delivers sequential speeds up to 500MB/s read and 400MB/s write. This drive suits you if you want double the base capacity of 128GB drives and dependable TLC flash for daily general computing.
Pros
- Sequential read speeds reach up to 500MB/s
- Sequential write speeds reach up to 400MB/s
- Uses 3D NAND TLC flash memory
- Backed by a 3-year warranty
Cons
- Sequential write speed tops out at 400MB/s
- Read speed of 500MB/s falls below the SATA III theoretical maximum
Good fit if
- You want 256GB of storage using 3D NAND TLC flash chips.
- You need a standard 2.5-inch SATA III drive compatible with Windows, Mac OS, or Linux.
Skip if
- You need sequential write speeds faster than 400MB/s.
- You require an NVMe M.2 drive for faster bus speeds.
Verdict: Fanxiang 256GB 2.5-Inch SATA SSD delivers solid TLC flash storage and balanced read speeds up to 500MB/s for everyday desktop or laptop upgrades. It offers a practical step up from 128GB options for routine computing needs.
Fikwot 128GB 2.5-Inch SATA III SSD
Best for: basic OS booting on legacy systems
- Storage Capacity
- 128GB
- Interface
- SATA III 6Gb/s
- Form Factor
- 2.5"
- Max Read Speed
- Up to 560MB/s
- Compatibility
- Laptop, Desktop
- NAND Type
- 3D NAND, TLC
This Fikwot drive is a 2.5-inch internal solid-state drive built with 128GB of 3D NAND TLC storage and a SATA III interface. It provides maximum sequential read speeds of up to 560MB/s for desktop or laptop installations. With a 0.28-inch profile and broad OS support across Windows, macOS, and Linux, it suits you if you need a straightforward drive replacement to upgrade an older machine from a mechanical hard drive.
Pros
- Sequential read speeds reach up to 560MB/s
- Uses 3D NAND TLC flash memory
- Slim 0.28-inch profile fits standard 2.5-inch drive bays
- Backed by 3-year service coverage
Cons
- Manufacturer data does not specify sequential write speeds
- 128GB capacity provides limited space for larger applications
Good fit if
- You want up to 560MB/s read speeds for quick boot times
- You need to replace a 2.5-inch mechanical drive in a PC or laptop
- You run Windows, macOS 10.4 or later, or Linux 2.6.33 or later
Skip if
- You need more than 128GB of local storage capacity
- You require published sequential write performance figures
Verdict: Fikwot 128GB 2.5-Inch SATA SSD delivers up to 560MB/s read speeds and TLC NAND in a slim 0.28-inch enclosure. It is a capable option for replacing an aging mechanical hard drive in compatible hardware.
Ediloca 128GB 2.5-Inch SATA III SSD
Best for: basic laptop and desktop SATA drive upgrades
- Storage Capacity
- 128GB
- Interface
- SATA III 6Gb/s
- Form Factor
- 2.5"
- Max Read Speed
- 500MB/s
- Max Write Speed
- 400MB/s
- Compatibility
- Laptop
This Ediloca 128GB 2.5-inch internal SSD uses SATA III 6Gb/s and 3D TLC NAND flash memory. It delivers sequential read speeds up to 500MB/s and sequential write speeds up to 400MB/s. If you need a compact, silent replacement drive for a laptop or desktop with legacy SATA support, this drive gives you basic solid-state speeds and broad operating system compatibility.
Pros
- Sequential read speeds up to 500MB/s and write speeds up to 400MB/s
- Built with 3D TLC NAND flash memory
- Compatible with Windows, macOS, Linux, and NAS setups
- Includes 3-year limited warranty coverage
Cons
- Limited 128GB capacity restricts space for large games or libraries
- Requires manual partition setup and formatting before initial use
- Slower than modern NVMe solid-state options
Good fit if
- You need an entry-level 128GB boot drive for standard daily tasks.
- You want a 2.5-inch SATA drive built with 3D TLC NAND flash.
- You are replacing a mechanical hard drive in an older laptop or desktop.
Skip if
- You need more than 128GB of internal storage space.
- You have an M.2 NVMe slot capable of multi-gigabyte transfer speeds.
Verdict: Ediloca 128GB 2.5-Inch SATA III SSD provides entry-level 500MB/s read speeds and reliable 3D TLC NAND for legacy SATA systems. It works well as a direct replacement drive for routine computing.
Specifications side by side
| Spec | Lexar NS100 128GB 2.5-Inch SATA SSD | PNY CS900 250GB 2.5-Inch SATA SSD | Patriot P210 128GB SATA SSD | TEAMGROUP 256GB TLC 2.5-Inch SATA SSD | Fanxiang 256GB 2.5-Inch SATA SSD | Fikwot 128GB 2.5-Inch SATA III SSD | Ediloca 128GB 2.5-Inch SATA III SSD |
|---|---|---|---|---|---|---|---|
| Storage Capacity | 128GB | 250GB | 128GB | 256GB | 256GB | 128GB | 128GB |
| Interface | SATA III | SATA III | SATA 3 | SATA III 6Gb/s | SATA III | SATA III 6Gb/s | SATA III 6Gb/s |
| Form Factor | 2.5" | 2.5" | 2.5 Inch | 2.5 Inch | 2.5" | 2.5" | 2.5" |
| Max Read Speed | 520MB/s | 535MB/s | Up to 450MB/s | 520 MB/s | 500MB/s | Up to 560MB/s | 500MB/s |
| Max Write Speed | not specified | 500MB/s | Up to 350MB/s | 430 MB/s | 400MB/s | not specified | 400MB/s |
| Compatibility | Laptop | Laptop | not specified | Laptop, Desktop | Laptop | Laptop, Desktop | Laptop |
| NAND Type | not specified | not specified | not specified | 3D NAND, TLC | not specified | 3D NAND, TLC | TLC |
| Size | 128GB | 250GB | 128GB | 256GB | 256GB | 128GB | 128GB |
| Dimensions | 3.94 × 2.75 × 0.28 inches | 7.1 × 5.9 × 0.3 inches | 3.94 × 2.74 × 0.28 inches | 3.94 × 2.75 × 0.28 inches | 5.87 × 3.43 × 0.63 inches | 3.95 × 2.75 × 0.28 inches | not specified |
| Weight | 1.2 ounces | 1.59 ounces | 1.62 ounces | 0.71 ounces | 2.08 ounces | not specified | not specified |
| Color | Gray | Black | black / black | not specified | black | black | black |
| Model | LNS100-128AMZN | SSD7CS900-250-RB | P210S128G25 | AX2 | S101 | FS810-128GB | ES106 |
If you prefer an assembled system over an internal drive, review the best mini PCs with 128GB SSD.
Frequently asked questions
What makes the Fikwot 128GB SSD a faster alternative to the Lexar NS100?
The Fikwot 128GB SATA III drive specifies read speeds up to 560MB/s, compared to 520MB/s on the Lexar NS100. It uses TLC 3D NAND flash memory inside a standard 0.28-inch thick 2.5-inch casing. This makes it a direct drop-in replacement if you want higher sequential read capability for an aging desktop or laptop system drive.
Which 256GB alternatives provide TLC flash memory instead of entry-level storage?
Both the TEAMGROUP AX2 and Fanxiang S101 deliver 256GB capacities built with TLC NAND flash. The TEAMGROUP model features hardware error correction code (ECC) and TRIM support in a lightweight 0.71-ounce casing. Meanwhile, the Fanxiang S101 achieves read speeds up to 500MB/s. Both drives give you double the base capacity of standard 128GB boot drives for everyday desktop and laptop upgrades.
How does the Patriot P210 compare to the Lexar NS100 in physical size and features?
The Patriot P210 shares almost identical dimensions with the Lexar NS100, measuring 3.94 inches long and 0.28 inches high. While the Lexar NS100 features a 60TBW endurance rating, the Patriot P210 integrates SmartECC technology alongside active thermal management. Both 128GB SATA III drives function as direct 2.5-inch drop-in replacements for standard mechanical hard drives in basic Windows environments.
Can these 2.5-inch SATA alternatives fit inside older laptops?
Yes, any 2.5-inch SATA SSD with a 7mm (0.28-inch) profile fits standard laptop drive bays. Drives such as the Lexar NS100, Patriot P210, TEAMGROUP AX2, and Fikwot FS810 all share this 0.28-inch profile. The Ediloca 128GB SSD also lists direct laptop compatibility over the SATA III interface, allowing you to swap out older rotating drives without special brackets.
What endurance rating does the Lexar NS100 have compared to standard usage needs?
The Lexar NS100 128GB SSD provides an endurance rating of 60TBW (terabytes written). This metric specifies the total volume of data you can write to the drive over its operational lifespan. For light computing, basic operating system boots, and general web browsing, 60TBW offers plenty of write tolerance before the underlying flash memory cells degrade from regular read and write cycles.
Which alternative is best if you need basic SATA storage strictly for laptop use?
The Ediloca 128GB SATA III SSD is designed for basic laptop drive replacements. It uses 3D TLC NAND flash and delivers sequential read speeds up to 500MB/s. While drives like the TEAMGROUP AX2 and Fikwot FS810 list both desktop and laptop compatibility, the Ediloca unit targets legacy laptop upgrades where standard SATA III throughput is sufficient for routine day-to-day operations.
How do sequential read speeds vary across these 128GB and 256GB SATA SSDs?
Sequential read speeds across this group range from 500MB/s up to 560MB/s across the SATA III interface. The Ediloca 128GB and Fanxiang 256GB both operate up to 500MB/s, while the Lexar NS100 reaches 520MB/s. For maximum throughput among these options, the Fikwot 128GB achieves up to 560MB/s, nearing the theoretical bandwidth ceiling of the SATA revision 3.0 interface.