6 Best Alternatives to the Transcend 120GB M.2 SATA SSD (2026)
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The Transcend 120GB M.2 SATA SSD offers reliable SATA III performance for entry-level computing. If you are searching for transcend 120gb mts820s m 2 sata alternatives, you may need different specifications or capacity. This drive uses 3D TLC NAND with an SLC cache to boost speeds up to 560MB/sec. Its M.2 2280 form factor fits standard slots, but some systems require shorter 2242 drives. Others might need more than 120GB of storage for modern workloads. You might also prefer a different brand for specific compatibility or warranty terms.
We selected these options because their published specs overlap with the original drive. All listed products use the SATA III interface and M.2 form factors. Some provide larger capacities like 256GB for users needing extra space. Others offer the 2242 size for compact laptops or mini PCs. Each alternative maintains the same basic performance profile. This ensures you can upgrade or replace your drive without changing your system requirements. We focused on practical upgrades that match your existing hardware constraints.
How alternatives compare to Transcend
Silicon Power A55 128GB M.2 SATA SSD
The Silicon Power A55 offers 128GB of storage, which is slightly more than the 120GB Transcend drive. It uses the same M.2 2280 form factor and SATA III interface, ensuring compatibility with most modern laptops and desktops. Like the Transcend, it relies on an SLC cache to handle burst writes efficiently. You get a small capacity bump for the same compact footprint. If you need a bit more room for your operating system and core applications, this budget-friendly option is a direct upgrade. It maintains the same practical performance profile, making it suitable for basic computing tasks without requiring a larger drive.
TEAMGROUP MS30 256GB M.2 SATA SSD
The TEAMGROUP MS30 doubles the storage capacity to 256GB while keeping the M.2 2280 form factor. It also uses SATA III and an SLC cache, similar to the Transcend 120GB model. The key difference is the increased space, which allows you to store more files, games, or applications. This drive is ideal if you find the 120GB limit too restrictive but still prefer SATA speeds over NVMe. It fits in the same slots as the Transcend drive. You get significantly more storage for a modest price difference. If your primary concern is capacity rather than the absolute lowest price, this 256GB option provides a more versatile solution for everyday computing needs.
Timetec 256GB M.2 SATA III SSD
The Timetec 256GB M.2 SATA SSD provides double the storage of the 120GB Transcend drive. It shares the same M.2 2280 form factor and SATA III interface, ensuring it works in the same devices. Like the original, it uses SLC caching to improve write performance. The main advantage is the larger capacity, which is helpful if you are installing multiple programs or storing media files. It offers a practical balance between size and storage space. If you need more room than 120GB can provide but do not want to switch to a faster, more expensive NVMe drive, this drive is a sensible choice. It maintains the same compact design while offering greater utility.
Fikwot 256GB M.2 2280 SATA SSD
The Fikwot FN203 256GB M.2 SATA SSD offers twice the storage of the Transcend 120GB model. It uses the standard M.2 2280 form factor and SATA III interface, fitting into the same slots. It also employs an SLC cache for better write speeds. The primary benefit is the increased capacity, which supports more data storage without changing your hardware setup. This drive is suitable for users who need more space for basic tasks. If you are upgrading from the 120GB drive and find it too small, this 256GB alternative provides a straightforward upgrade. It keeps the same performance characteristics while giving you more room for your files and applications.
ADATA SU800 256GB M.2 SATA SSD
The ADATA SU800 256GB M.2 SATA SSD provides double the storage of the Transcend 120GB drive. It uses the same M.2 2280 form factor and SATA III interface, ensuring compatibility with your existing system. Like the Transcend, it utilizes an SLC cache to enhance write performance. The main difference is the larger capacity, which allows for more data storage. This drive is a practical choice if you need more space for your operating system and applications. If you are looking for a reliable upgrade that offers more room without changing your form factor, this option is ideal. It maintains the same compact size while delivering greater storage utility for everyday computing.
Transcend 120GB M.2 2242 SATA SSD
The Transcend 120GB M.2 2242 SSD shares the same brand and capacity as the original but uses a shorter 2242 form factor instead of 2280. It also uses SATA III and an SLC cache, providing similar performance characteristics. The key difference is the physical size, which makes it suitable for devices with tighter space constraints. If your motherboard or laptop only supports the shorter 2242 size, this drive is the correct choice. It offers the same 120GB capacity and SATA III speeds. You get the reliability of the Transcend brand in a smaller package. This option is best for users who need a compact drive for space-limited systems rather than standard M.2 slots.
Quick picks
Our 7 picks
Transcend 120GB M.2 SATA SSD
Best for: basic computing and laptop 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 offers 120GB of storage in an M.2 2280 form factor. It uses a SATA III 6GB/s interface with SLC caching. Read speeds reach 560MB/sec, while write speeds hit 510MB/sec. It is built with 3D TLC NAND. This model suits users needing a reliable, compact upgrade for older systems or light daily tasks.
Pros
- SATA III 6GB/s interface for broad compatibility
- Read speeds up to 560MB/sec
- Built-in SLC Cache for speed boost
- Standard M.2 2280 size fits most slots
Cons
- 120GB capacity is small compared to 256GB alternatives
- Write speed of 510MB/sec is lower than top-tier options
- Only 3-year warranty included
Good fit if
- You need a compact M.2 2280 drive for a laptop
- You want a budget-friendly upgrade for basic computing
- You require SATA III compatibility with SLC caching
Skip if
- You need more than 120GB of storage space
- You require NVMe speeds for heavy workloads
- You want a drive with a longer warranty period
Verdict: Transcend 120GB M.2 2280 SATA SSD provides solid SATA III performance for entry-level users. It is a practical choice for those prioritizing form factor and basic speed over high capacity.
Silicon Power A55 128GB M.2 SATA SSD
Best for: compact systems and budget 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 drive designed for compact systems like ultrabooks and mini PCs. It uses TLC NAND flash with SLC cache technology to boost transfer speeds and extend lifespan. The unit measures 3.15 by 0.87 by 0.14 inches. You should choose this if you need a reliable, budget-friendly storage solution for basic computing tasks or system upgrades where space is limited.
Pros
- 128GB storage capacity in a compact M.2 2280 form factor
- SATA III interface with 6Gb/s support
- SLC cache technology for improved performance and longevity
- Includes SP Toolbox software for health monitoring
Cons
- Limited 128GB capacity compared to 256GB alternatives
- No included mounting hardware or thermal pad
- SATA III speed ceiling limits high-end performance
Good fit if
- You need a low-cost upgrade for an older laptop or desktop
- You require a small M.2 2280 drive for a mini PC
- You want basic SLC caching for everyday tasks
Skip if
- You need more than 128GB of storage space
- You require NVMe speeds for heavy workloads
- You prefer drives with included mounting screws
Verdict: Silicon Power 128GB A55 M.2 SATA SSD is a practical entry-level drive for users who prioritize compact size and basic reliability over high capacity or speed. It fits well in tight spaces where standard 2.5-inch drives do not fit.
TEAMGROUP MS30 256GB M.2 SATA SSD
Best for: users needing a budget 256GB SATA upgrade
- 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 using 3D NAND TLC with SLC cache. It delivers read speeds up to 500 MB/s and write speeds up to 400 MB/s. This model supports Intel Smart Response Technology and includes standard SSD features like TRIM and wear leveling. It fits laptops and desktops needing a reliable, mid-range upgrade.
Pros
- 256GB storage capacity
- SATA III 6Gb/s interface
- Up to 500 MB/s read speed
- SLC cache for performance boost
- Supports Intel Smart Response Technology
Cons
- 400 MB/s write speed is lower than some competitors
- Limited to 256GB capacity in this configuration
- No NVMe PCIe interface available
Good fit if
- You need a budget-friendly 256GB SATA SSD
- You want to enable Intel Smart Response Technology
- You require a standard M.2 2280 form factor
Skip if
- You need faster NVMe PCIe speeds
- You require more than 256GB of storage
- You are building a system without SATA support
Verdict: TeamGroup MS30 256GB M.2 SATA SSD offers solid SATA III performance for users needing a modest capacity upgrade with SLC caching benefits.
Timetec 256GB M.2 SATA III SSD
Best for: Users needing 256GB M.2 SATA storage
- Storage Capacity
- 256GB
- Interface
- SATA III 6Gb/s
- Form Factor
- M.2 2280
- Max Read Speed
- Up to 550MB/s
- Max Write Speed
- Up to 500MB/s
- Cache Type
- SLC Cache
View on Amazon: Timetec 256GB M.2 SATA III SSD Affiliate link
This Timetec drive offers 256GB of storage in a standard M.2 2280 form factor. It uses SATA III 6Gb/s interface with 3D NAND TLC and SLC cache. Sequential read speeds reach 550MB/s and write speeds hit 500MB/s. It includes TRIM, ECC, and wear-leveling support. This option suits you if you need double the capacity of the 120GB alternatives while maintaining reliable SATA performance for everyday computing tasks.
Pros
- 256GB storage capacity
- 550MB/s sequential read speed
- SLC cache technology for performance boost
- 1,500,000 hours MTBF rating
- Three-year limited warranty
Cons
- SATA III interface limits speed compared to NVMe
- No included mounting screws or brackets
- Only 256GB base capacity available
Good fit if
- You need more than 120GB of storage
- You are upgrading a laptop or desktop with an M.2 2280 slot
- You want a reliable SATA SSD with SLC cache
Skip if
- You require NVMe PCIe speeds
- You need the smallest M.2 2242 form factor
- You are looking for a 120GB capacity drive
Verdict: Timetec 256GB M.2 SATA SSD provides double the storage of the 120GB alternatives with solid SATA III speeds. It fits users who need more space than the base 120GB options offer but do not require NVMe performance.
Fikwot 256GB M.2 2280 SATA SSD
Best for: basic storage upgrades in compact systems
- Storage Capacity
- 256GB
- Interface
- SATA III 6Gb/s
- Max Read Speed
- 550 MB/s
- Max Write Speed
- 460 MB/s
- Cache Type
- SLC Cache
- Form Factor
- M.2 2280
View on Amazon: Fikwot 256GB M.2 2280 SATA SSD Affiliate link
The Fikwot FN203 is a 256GB M.2 2280 SSD using SATA III 6Gb/s interface. It offers sequential read speeds up to 550 MB/s and write speeds up to 460 MB/s. The drive uses 3D NAND TLC with SLC cache to boost performance. It weighs 0.71 ounces. This SSD is suitable for ultrabooks and mini PCs that require a compact internal storage solution with reliable data transmission.
Pros
- SATA III 6Gb/s interface for standard compatibility
- Sequential read speed up to 550 MB/s
- Uses SLC cache technology for speed boost
- Compact M.2 2280 form factor
Cons
- Lower write speed of 460 MB/s compared to competitors
- 80TBW endurance rating is lower than other options
- 256GB capacity is smaller than many alternatives
Good fit if
- You need a compact M.2 2280 drive for a mini PC
- You want a SATA III SSD with SLC cache
- You are upgrading an ultrabook with limited space
Skip if
- You require PCIe NVMe speeds for heavy workloads
- You need higher endurance than 80TBW
- You want a larger capacity than 256GB
Verdict: Fikwot FN203 256GB M.2 SATA SSD provides standard SATA speeds and SLC caching for basic upgrades. It fits users needing a small drive for ultrabooks or mini PCs who do not require high endurance or large storage.
ADATA SU800 256GB M.2 SATA SSD
Best for: Users needing 256GB SATA storage
- 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 SSD using SATA III and 3D TLC NAND. It offers sequential read speeds up to 560 MB/s and write speeds up to 520 MB/s, boosted by SLC caching. This drive includes an LDPC ECC engine for data integrity. It fits systems with M.2 slots using an M or B key. You get a reliable upgrade path for older laptops or desktops needing more storage than 128GB.
Pros
- 256GB storage capacity
- Read speeds up to 560 MB/s
- Write speeds up to 520 MB/s
- SLC caching for performance boost
- Advanced LDPC ECC engine
Cons
- Only available in 256GB in this specific model listing
- Requires M.2 slot with M or B key support
- SATA III interface limits speeds compared to NVMe
Good fit if
- You need more than 128GB of storage
- You have an M.2 slot with M or B key
- You want faster writes than entry-level drives
Skip if
- You require NVMe speeds
- Your motherboard only supports B+M key in 2280 size
- You need 1TB or more capacity
Verdict: The ADATA SU800 256GB M.2 SATA SSD delivers solid SATA III performance with SLC caching. It is a practical choice for users needing double the storage of the 120GB alternatives on this list.
Transcend 120GB M.2 2242 SATA SSD
Best for: Compact systems requiring M.2 2242 drives
- Storage Capacity
- 120GB
- Interface
- SATA III 6GB/s
- Max Read Speed
- 560MB/sec
- Max Write Speed
- 500MB/sec
- Cache Type
- SLC Cache
- Form Factor
- M.2 2242
View on Amazon: Transcend 120GB M.2 2242 SATA SSD Affiliate link
This 120GB drive uses the compact M.2 2242 form factor with a B+M key. It connects via SATA III 6GB/s and reaches read speeds up to 560MB/sec and write speeds up to 500MB/sec. The unit relies on 3D TLC NAND with an SLC cache for performance. It is a solid fit for you if your system requires a shorter M.2 slot or you need a reliable, compact storage solution for basic tasks.
Pros
- Compact 2242 form factor fits small spaces
- SATA III 6GB/s interface ensures compatibility
- Read speeds up to 560MB/sec
- Includes SLC cache for speed boosts
Cons
- 120GB capacity is limited for large files
- 2242 size may not fit standard 2280 slots
- No NVMe speeds available
Good fit if
- You need a short M.2 drive for a specific device
- You require SATA III compatibility for older systems
- You want a reliable SSD with an SLC cache
Skip if
- You need high-capacity storage for media libraries
- Your motherboard only supports the longer 2280 form factor
- You require NVMe speeds for heavy workloads
Verdict: Transcend 120GB M.2 2242 SSD is a practical option for users with space-constrained devices that require a shorter M.2 drive. It delivers standard SATA speeds and reliable performance for everyday computing tasks.
Specifications side by side
| Spec | Transcend 120GB M.2 SATA SSD | Silicon Power A55 128GB M.2 SATA SSD | TEAMGROUP MS30 256GB M.2 SATA SSD | Timetec 256GB M.2 SATA III SSD | Fikwot 256GB M.2 2280 SATA SSD | ADATA SU800 256GB M.2 SATA SSD | Transcend 120GB M.2 2242 SATA SSD |
|---|---|---|---|---|---|---|---|
| Storage Capacity | 120GB | 128GB | 256GB | 256GB | 256GB | 256GB | 120GB |
| Interface | SATA III 6GB/s | SATA III | SATA III 6Gb/s | SATA III 6Gb/s | SATA III 6Gb/s | SATA | SATA III 6GB/s |
| Form Factor | not stated | not stated | not stated | M.2 2280 | not stated | not stated | not stated |
| Max Read Speed | 560MB/sec | not stated | 500 MB/s | Up to 550MB/s | 550 MB/s | 560 MB/s | 560MB/sec |
| Max Write Speed | 510MB/sec | not stated | 400 MB/s | Up to 500MB/s | 460 MB/s | 520 MB/s | 500MB/sec |
| Cache Type | SLC Cache | SLC Cache | SLC Cache | SLC Cache | SLC Cache | SLC Caching | SLC Cache |
| Compatibility | Laptop, Desktop | not stated | Laptop, Desktop | Laptop, Desktop | not stated | not stated | Laptop, Desktop |
| NAND Type | not stated | not stated | 3D NAND, TLC | 3D NAND | 3D NAND, TLC | 3D NAND, TLC | not stated |
| Size | 120GB | 128GB | 256GB | 256GB | 256GB | 256 GB | 120GB |
| Dimensions | 0.87 × 0.15 × 3.15 inches | 3.15 × 0.87 × 0.14 inches | 0.87 × 3.15 × 0.14 inches | not stated | not stated | 0.87 × 0.14 × 3.15 inches | 0.87 × 0.15 × 3.15 inches |
| Weight | not stated | not stated | 0.35 ounces | 0.63 ounces | 0.71 ounces | 0.32 ounces | not stated |
| Color | Black | 128GB | not stated | not stated | 256GB | Black | Multicoloured |
| Model | TS120GMTS820S | SU128GBSS3A55M28AB | TM8PS7256G0C101 | Timetec765441344266 | FN203-256GB | SU800 M.2 256GB | TS120GMTS420S |
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Frequently asked questions
Is there a smaller M.2 2242 alternative to the 2280 Transcend drive?
Yes, the Transcend 120GB M.2 2242 SATA SSD is designed for compact systems. It uses the shorter 2242 form factor instead of the standard 2280 size. This makes it suitable for devices with tight space constraints. It still provides standard SATA III speeds and reliable performance for everyday computing tasks.
Which alternative offers double the storage capacity of the 120GB model?
Several drives offer 256GB, which is double the 120GB capacity. The TEAMGROUP MS30, Timetec 256GB, Fikwot 256GB, and ADATA SU800 all provide this increased storage. These options are ideal if you need more space than the base 120GB models offer but do not require NVMe performance levels.
Do these M.2 SATA drives use SLC caching for better speed?
Most listed alternatives utilize SLC caching to boost performance. The Transcend 120GB, Silicon Power A55, TEAMGROUP MS30, Timetec, and Fikwot drives all feature this technology. SLC caching helps maintain faster write speeds during initial data transfers, making these drives practical for entry-level users who prioritize form factor and basic speed.
Can I use these M.2 SATA SSDs in both laptops and desktops?
Yes, most of these drives are compatible with both laptops and desktops. The TEAMGROUP MS30 and Timetec 256GB explicitly list compatibility with both device types. Since they use the standard SATA III interface and M.2 2280 form factor, they fit well in most modern systems that support M.2 SATA connections.
What type of NAND flash do the 256GB alternatives use?
The 256GB options primarily use 3D TLC NAND. The TEAMGROUP MS30 and Fikwot 256GB explicitly specify 3D NAND TLC. The Timetec 256GB and ADATA SU800 also use 3D NAND. This type of memory is common for budget-friendly SATA drives, offering a balance of capacity and cost-effectiveness for general storage needs.
Is the Silicon Power A55 a good budget-friendly M.2 SATA option?
The Silicon Power A55 is a practical entry-level drive for budget upgrades. It offers 128GB of storage in a compact M.2 2280 form factor. It is well-suited for compact systems where standard 2.5-inch drives do not fit. It provides basic reliability and SATA III performance without requiring a large investment.