KingSpec 4TB M.2 SATA SSD Alternatives: 6 Similar Picks Compared
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The kingspec 4tb m 2 sata SSD alternatives list helps you find drives that match its core specifications. This original drive offers 4TB of storage in an M.2 2280 form factor with SATA III connectivity. It delivers read speeds up to 560MB/s and write speeds of 540MB/s. These specs make it a strong choice for users needing high capacity in a compact slot. However, you might prefer a different brand, a different capacity, or a different form factor like 2.5-inch.
We selected these 6 alternatives because their published specifications overlap with the KingSpec drive. The list includes other M.2 SATA options and a 2.5-inch SATA drive for comparison. You can choose based on your specific needs for cache type, NAND technology, or total storage space. Each option is ranked by how well it fits common upgrade scenarios. This guide focuses strictly on the technical data provided by manufacturers. You can compare interface types, form factors, and speed ratings to find the best fit for your system.
Our top pick: KingSpec 4TB M.2 SATA SSD.
How these drives differ
ADATA SU800 256GB M.2 SATA SSD
The ADATA SU800 drops storage capacity significantly to 256GB. This makes it a poor choice if you need the 4TB space of the KingSpec. However, it uses TLC NAND, which offers different endurance characteristics than unspecified controllers in budget drives. You should pick this only if your system has limited M.2 B+M slots and you do not require massive storage. It serves older laptops well but cannot replace the KingSpec for large file libraries. The smaller size fits tight spaces better, but you sacrifice over 90% of the available disk space.
Transcend 120GB M.2 SATA SSD
Transcend offers a 120GB option that is much smaller than the KingSpec 4TB drive. It uses SLC caching to manage performance on a basic level. This drive is suitable only for light tasks like booting an OS or storing a few documents. It lacks the capacity for media libraries or games. You would choose this for a very tight budget or a legacy system with minimal storage needs. It does not compete with the KingSpec in volume. The 120GB limit means you will fill it quickly compared to the 4TB alternative. It is a budget entry, not a high-capacity solution.
Samsung 860 EVO 4TB 2.5-Inch SATA SSD
The Samsung 860 EVO matches the 4TB capacity of the KingSpec but uses a 2.5-inch form factor. This means it requires a different physical bay and SATA cable connection. It is ideal for desktops or laptops with standard drive bays rather than M.2 slots. Samsung provides known reliability and encryption features. You should pick this if your motherboard lacks M.2 SATA support or you prefer a proven brand. It sacrifices the compact M.2 2280 form factor for a larger, more traditional drive shape. It offers similar SATA III speeds but in a bulkier package.
Silicon Power A55 128GB M.2 SATA SSD
Silicon Power provides a 128GB M.2 SATA drive with SLC caching. This is a fraction of the KingSpec’s 4TB capacity. It is designed for budget builds where space is not a priority. You would select this for a secondary drive or an old PC upgrade. It lacks the storage volume for serious content creation. The M.2 2280 form factor matches the KingSpec, ensuring physical compatibility. However, the 128GB limit is a major trade-off. It is best for users who need a cheap, small SSD for basic operations rather than high-capacity storage.
TEAMGROUP MS30 256GB M.2 SATA SSD
TEAMGROUP MS30 offers 256GB of storage with TLC NAND and SLC caching. It is significantly smaller than the KingSpec 4TB model. This drive targets laptops and desktops needing basic storage expansion. It supports Intel Smart Response Technology. You should choose this for light office work or gaming on a budget. It does not provide the massive storage of the KingSpec. The 256GB capacity is sufficient for an OS and a few apps. It is a practical choice for users who do not need terabytes of space but want a reliable M.2 SATA upgrade.
Transcend 256GB M.2 SATA SSD with DRAM
Transcend includes a DRAM cache in this 256GB M.2 SATA SSD. The KingSpec relies on SLC caching instead. DRAM cache can improve performance consistency under heavy loads. However, this drive only offers 256GB of storage. It is much smaller than the 4TB KingSpec. You should pick this if you need better sustained performance in a compact drive. It is suitable for compact systems where speed matters more than volume. The lack of high capacity means it cannot replace the KingSpec for large data storage. It is a specialized choice for performance-focused users with low storage requirements.
Quick picks
Our 7 picks
KingSpec 4TB M.2 SATA SSD
Best for: high-capacity M.2 SATA upgrades
- Storage Capacity
- 4TB
- Interface
- SATA III
- Form Factor
- M.2 2280
- Max Read Speed
- Up to 560MB/s
- Max Write Speed
- 540MB/s
- Compatibility
- Laptop, Desktop
View on Amazon: KingSpec 4TB M.2 SATA SSD Affiliate link
This KingSpec drive offers 4TB of storage in an M.2 2280 form factor using the SATA III interface. It delivers sequential read speeds up to 560MB/s and write speeds up to 540MB/s. You get a 3-year manufacturer warranty and features like TRIM and wear-leveling for data protection. It is designed for desktops and laptops that support M.2 SATA slots, not NVMe-only systems.
Pros
- 4TB storage capacity
- M.2 2280 form factor
- Up to 560MB/s read speed
- 3-year manufacturer warranty
Cons
- SATA III interface limits speed to 560MB/s
- Not compatible with NVMe-only motherboards
- No DRAM cache mentioned in specifications
Good fit if
- You need high-capacity storage for media libraries
- You have a motherboard with M.2 SATA support
- You want to upgrade an older PC with a 3-year warranty
Skip if
- You require NVMe PCIe speeds
- You own a Mac computer
- You need the absolute fastest sequential transfer rates
Verdict: KingSpec 4TB M.2 SATA III SSD provides ample space and reliable SATA speeds for users upgrading systems with M.2 SATA slots. It is a solid option for those prioritizing capacity over maximum throughput.
ADATA SU800 256GB M.2 SATA SSD
Best for: Upgrading older laptops with M.2 B+M slots
- Storage Capacity
- 256GB
- Interface
- SATA
- Max Read Speed
- 560 MB/s
- Max Write Speed
- 520 MB/s
- Cache Type
- SLC Caching
- Form Factor
- M.2 2280
View on Amazon: ADATA SU800 256GB M.2 SATA SSD Affiliate link
The ADATA SU800 is a 256GB M.2 2280 SATA III SSD designed for standard 2.5-inch drive bays using an adapter. It uses 3D TLC NAND with SLC caching to reach sequential read speeds of 560 MB/s and write speeds of 520 MB/s. The drive includes an LDPC ECC engine for data integrity. It fits systems with M.2 B+M key slots. You should verify your motherboard supports this specific interface before purchasing.
Pros
- Sequential read speeds up to 560 MB/s
- Sequential write speeds up to 520 MB/s
- Uses 3D TLC NAND with SLC caching
- Includes LDPC ECC engine for data integrity
Cons
- Limited to 256GB capacity in this configuration
- Requires M.2 B+M key compatible slot
- No DRAM cache listed in specifications
Good fit if
- You need a budget SATA SSD for older laptops
- You have an M.2 slot supporting B+M keys
- You want 3D NAND for better endurance
Skip if
- You require NVMe PCIe speeds
- You need more than 256GB storage
- Your motherboard only supports M-key M.2 slots
Verdict: The ADATA SU800 256GB M.2 SATA SSD offers reliable SATA III performance for users with compatible B+M key slots. It is a practical upgrade for systems that cannot accept NVMe drives.
Transcend 120GB M.2 SATA SSD
Best for: basic storage upgrades
- Storage Capacity
- 120GB
- Interface
- SATA III 6GB/s
- Max Read Speed
- 560MB/sec
- Max Write Speed
- 510MB/sec
- Cache Type
- SLC Cache
- Form Factor
- M.2 2280
View on Amazon: Transcend 120GB M.2 SATA SSD Affiliate link
This Transcend drive uses a SATA III interface with M.2 2280 form factor. It offers 120GB of storage using 3D TLC NAND. Read speeds reach 560MB/sec and write speeds hit 510MB/sec. It includes an SLC cache for performance boosts. The unit measures 0.15 inches thick. It supports Trim and NCQ commands. This option suits users needing a compact, budget-friendly storage upgrade for older systems.
Pros
- SATA III 6GB/s interface
- SLC cache for speed boost
- 560MB/sec read speed
- 3D TLC NAND flash
Cons
- Small 120GB capacity
- No DRAM cache
- Shorter 3-year warranty
Good fit if
- You need a small, budget M.2 drive
- You are upgrading an older laptop
- You want reliable SATA speeds
Skip if
- You require large storage capacity
- You need NVMe speeds
- You want a longer warranty
Verdict: Transcend 120GB M.2 SATA SSD provides solid SATA speeds for basic tasks. It fits users who need affordable, compact storage for older devices.
Samsung 860 EVO 4TB 2.5-Inch SATA SSD
Best for: High-capacity desktop storage upgrades
- Storage Capacity
- 4TB
- Interface
- SATA III
- Form Factor
- 2.5 Inch
- Max Read Speed
- 550MB/s
- Max Write Speed
- 520MB/s
- Dimensions
- 3.94 × 2.76 × 0.27 inches
View on Amazon: Samsung 860 EVO 4TB 2.5-Inch SATA SSD Affiliate link
This is a 4TB internal SSD using the SATA III interface. It features Samsung V-NAND technology and offers sequential read speeds up to 550MB/s and write speeds up to 520MB/s. The drive uses a standard 2.5-inch form factor. It includes AES 256-bit hardware encryption. You get a 5-year limited warranty. This drive suits users needing large storage in a desktop or laptop.
Pros
- 4TB storage capacity
- 550MB/s sequential read speed
- 520MB/s sequential write speed
- AES 256-bit hardware encryption
- 5-year limited warranty
Cons
- 2.5-inch form factor requires drive bay space
- SATA III interface limits speed compared to NVMe
- Heavier than M.2 alternatives
Good fit if
- You need 4TB of storage space
- You have a 2.5-inch drive bay available
- You want hardware encryption for data security
Skip if
- You require M.2 NVMe speeds
- You have only M.2 slots on your motherboard
- You need the lightest possible drive for a laptop
Verdict: Samsung 860 EVO 4TB SATA SSD provides reliable high-capacity storage for systems with 2.5-inch bays. It fits users prioritizing capacity and encryption over the speed of NVMe drives.
Silicon Power A55 128GB M.2 SATA SSD
Best for: Compact, budget-friendly SATA storage upgrades
- Storage Capacity
- 128GB
- Interface
- SATA III
- Cache Type
- SLC Cache
- Form Factor
- M.2 2280
- Dimensions
- 3.15 × 0.87 × 0.14 inches
View on Amazon: Silicon Power A55 128GB M.2 SATA SSD Affiliate link
The Silicon Power A55 is a 128GB M.2 2280 SATA III SSD designed for compact systems like ultrabooks and mini PCs. It uses TLC NAND with an SLC cache to boost transfer speeds and extend lifespan. The drive measures 3.15 x 0.87 x 0.14 inches. You should choose this if you need a small, affordable storage upgrade for older or space-constrained devices that support SATA interfaces.
Pros
- 128GB capacity in a compact M.2 2280 form factor
- SATA III interface for broad compatibility
- SLC cache technology for performance boost
- Includes SP Toolbox software for health monitoring
Cons
- 128GB capacity is small compared to modern standards
- No DRAM cache for sustained heavy workloads
- Limited to SATA III speeds, not NVMe
Good fit if
- You need a low-cost storage upgrade for an older laptop
- You are building a mini PC with limited drive bays
- You require a compact M.2 2280 drive for light tasks
Skip if
- You need large storage for games or media libraries
- You want the fastest possible NVMe transfer speeds
- You require a drive with a DRAM cache for heavy workloads
Verdict: Silicon Power 128GB A55 M.2 SATA SSD offers reliable basic storage for budget builds or older systems. It fits users who prioritize compact size and SATA compatibility over high capacity or speed.
TEAMGROUP MS30 256GB M.2 SATA SSD
Best for: basic laptop storage upgrades
- Storage Capacity
- 256GB
- Interface
- SATA III 6Gb/s
- Max Read Speed
- 500 MB/s
- Max Write Speed
- 400 MB/s
- Cache Type
- SLC Cache
- Form Factor
- M.2 2280
View on Amazon: TEAMGROUP MS30 256GB M.2 SATA SSD Affiliate link
The TEAMGROUP MS30 is a 256GB M.2 2280 SATA III drive designed for laptops and desktops. It uses 3D TLC NAND with SLC cache to reach read speeds of 500 MB/s and write speeds of 400 MB/s. This drive supports Intel Smart Response Technology and standard SATA III 6Gb/s interfaces. It is a compact storage option for users needing reliable basic performance without the bulk of larger capacities.
Pros
- SATA III 6Gb/s interface for broad compatibility
- Read speeds up to 500 MB/s
- SLC cache for improved speed efficiency
- Supports Intel Smart Response Technology
Cons
- Small 256GB capacity limits large file storage
- No DRAM cache for sustained heavy workloads
- Lower write speed compared to larger models
Good fit if
- You need a compact M.2 drive for a laptop upgrade
- You want to enable Intel Smart Response Technology with an HDD
- You require basic SATA III speeds for everyday tasks
Skip if
- You need high capacity for large media libraries
- You require NVMe speeds for professional workloads
- You want a drive with DRAM cache for heavy data transfers
Verdict: TEAMGROUP MS30 256GB M.2 SATA SSD is a practical entry-level drive for users who need to add basic storage to a laptop or desktop. It suits those prioritizing compact size and Intel Smart Response Technology over raw capacity or advanced caching.
Transcend 256GB M.2 SATA SSD with DRAM
Best for: Compact systems needing DRAM cache
- Storage Capacity
- 256GB
- Interface
- SATA III
- Max Read Speed
- 560 MB/s
- Max Write Speed
- 520 MB/s
- Cache Type
- DDR3 DRAM Cache
- Form Factor
- M.2 2280
View on Amazon: Transcend 256GB M.2 SATA SSD with DRAM Affiliate link
The Transcend MTS830S is a 256GB M.2 2280 SATA III SSD designed for compact systems. It features a DDR3 DRAM cache to manage data efficiently and uses 3D NAND flash for better endurance. Sequential read speeds reach 560 MB/s, while write speeds hit 520 MB/s. It includes LDPC error correction for data integrity. This drive suits users needing reliable, cached performance in a small form factor.
Pros
- DDR3 DRAM cache for improved performance
- Sequential read speeds up to 560 MB/s
- Sequential write speeds up to 520 MB/s
- 3D NAND flash technology
- LDPC error correction coding
Cons
- Only 256GB storage capacity
- SATA III interface limits speed
- B+M key requires compatible slot
Good fit if
- You need a SATA SSD with DRAM cache
- You have an M.2 B+M key slot
- You want 3D NAND endurance
Skip if
- You require NVMe speeds
- You need more than 256GB
- You only have M.2 M key slots
Verdict: Transcend 256GB M.2 SATA SSD offers cached SATA performance for compact builds. It fits users prioritizing DRAM cache and 3D NAND in a small drive.
Specifications side by side
| Spec | KingSpec 4TB M.2 SATA SSD | ADATA SU800 256GB M.2 SATA SSD | Transcend 120GB M.2 SATA SSD | Samsung 860 EVO 4TB 2.5-Inch SATA SSD | Silicon Power A55 128GB M.2 SATA SSD | TEAMGROUP MS30 256GB M.2 SATA SSD | Transcend 256GB M.2 SATA SSD with DRAM |
|---|---|---|---|---|---|---|---|
| Storage Capacity | 4TB | 256GB | 120GB | 4TB | 128GB | 256GB | 256GB |
| Interface | SATA III | SATA | SATA III 6GB/s | SATA III | SATA III | SATA III 6Gb/s | SATA III |
| Form Factor | M.2 2280 | not stated | not stated | 2.5 Inch | not stated | not stated | not stated |
| Max Read Speed | Up to 560MB/s | 560 MB/s | 560MB/sec | 550MB/s | not stated | 500 MB/s | 560 MB/s |
| Max Write Speed | 540MB/s | 520 MB/s | 510MB/sec | 520MB/s | not stated | 400 MB/s | 520 MB/s |
| Cache Type | not stated | SLC Caching | SLC Cache | not stated | SLC Cache | SLC Cache | DDR3 DRAM Cache |
| Compatibility | Laptop, Desktop | not stated | Laptop, Desktop | not stated | not stated | Laptop, Desktop | Laptop, Desktop |
| NAND Type | not stated | 3D NAND, TLC | not stated | not stated | not stated | 3D NAND, TLC | not stated |
| Size | 4TB | 256 GB | 120GB | 4TB | 128GB | 256GB | 256GB |
| Dimensions | not stated | 0.87 × 0.14 × 3.15 inches | 0.87 × 0.15 × 3.15 inches | 3.94 × 2.76 × 0.27 inches | 3.15 × 0.87 × 0.14 inches | 0.87 × 3.15 × 0.14 inches | 3.15 × 0.87 × 0.14 inches |
| Weight | not stated | 0.32 ounces | not stated | 3.36 ounces | not stated | 0.35 ounces | not stated |
| Color | 22x80mm | Black | Black | Black | 128GB | not stated | Green |
| Model | NT-XXX 2280 | SU800 M.2 256GB | TS120GMTS820S | MZ-76E4T0B/AM | SU128GBSS3A55M28AB | TM8PS7256G0C101 | TS256GMTS830S |
Frequently asked questions
Is the KingSpec 4TB M.2 SATA SSD compatible with all M.2 slots?
No, it requires an M.2 slot that supports the SATA III interface. It uses the M.2 2280 form factor, measuring 22x80mm. Many modern M.2 slots support NVMe instead of SATA. You must check your motherboard manual to confirm SATA support in the specific M.2 connector before purchasing this drive.
What is the best high-capacity alternative to the KingSpec 4TB drive?
The Samsung 860 EVO 4TB 2.5-Inch SATA SSD is the best premium alternative. It offers the same 4TB capacity but in a 2.5-inch form factor. This drive suits desktops with standard drive bays. It provides reliable storage for users prioritizing capacity and encryption over the compact size of M.2 drives.
Does the KingSpec 4TB SSD include DRAM cache?
The provided specifications do not list DRAM cache for the KingSpec 4TB model. It relies on standard SATA III performance for data handling. Other options like the Transcend 256GB M.2 SATA SSD with DRAM include dedicated DRAM cache. That model is designed for compact systems needing enhanced cached performance for better consistency.
Can I use the ADATA SU800 for a 4TB upgrade?
No, the ADATA SU800 only offers 256GB of storage. It is not a direct alternative if you need the 4TB capacity of the KingSpec drive. The ADATA unit is better suited for upgrading older laptops with M.2 B+M slots. It provides reliable SATA III performance but lacks the high capacity you require.
Which M.2 SATA SSD is best for basic laptop upgrades?
The TEAMGROUP MS30 256GB M.2 SATA SSD is a practical choice for basic laptop upgrades. It fits the M.2 2280 form factor and supports both laptop and desktop use. It uses 3D TLC NAND and SLC cache. This drive is ideal for users who need compact, affordable storage rather than high capacity.
Is the Transcend 120GB SSD a good budget option?
Yes, the Transcend 120GB M.2 SATA SSD is the best budget pick. It provides solid SATA speeds for basic tasks like office work or media playback. It uses SLC cache to help maintain performance. This 120GB drive is suitable for older devices where affordable, compact storage is the primary goal.
What NAND type does the KingSpec 4TB drive use?
The published specifications for the KingSpec 4TB M.2 SATA SSD do not specify the NAND type. In contrast, the ADATA SU800 and TEAMGROUP MS30 explicitly use 3D TLC NAND. You may need to check the manufacturer's detailed datasheet for KingSpec to confirm the specific NAND technology used in their high-capacity model.
Does the Samsung 860 EVO fit in an M.2 slot?
No, the Samsung 860 EVO 4TB uses a 2.5-inch form factor. It connects via SATA III but requires a standard drive bay, not an M.2 slot. This makes it suitable for desktops or laptops with available 2.5-inch bays. It is not a direct physical alternative to the M.2 2280 KingSpec drive.