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Silicon Power A55 256GB M.2 2280 SATA III Internal Solid State Drive

Silicon Power A55 256GB M.2 2280 SATA III Internal Solid State Drive

Last price we saw

$49.00at Best Buy, last seen Nov 2

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Our take on the Silicon Power A55 256GB M.2 2280 SATA III Internal Solid State Drive

The Silicon Power A55 is a 256GB M.2 2280 SATA III solid state drive rated at up to 560 MB/s read and 530 MB/s write. It is a budget drive for laptops and desktops with an M.2 slot that runs SATA rather than NVMe. At 256GB it suits a boot drive for a light-use PC or a secondary drive for apps and files. It is a low-cost option, but the one-year parts warranty is short next to the three- to five-year coverage on most competing SSDs.

Best forUpgrading an older laptop or desktop with a SATA M.2 slotA low-cost boot drive for a basic home or office PCAdding fast secondary storage for apps and documentsReviving a machine still running a hard drive
Pros
  • Reads up to 560 MB/s and writes up to 530 MB/s, far quicker than a hard drive
  • M.2 2280 SATA fits many laptops and desktops without a drive bay or cables
  • 256GB is enough for an operating system and everyday programs
  • Low price per gigabyte for a branded drive
  • No moving parts, so it is quiet and resistant to shock
Cons
  • SATA interface caps speed well below NVMe drives
  • 256GB fills quickly with games or large media files
  • One-year parts warranty is short for an SSD
  • No DRAM cache or endurance rating published, so it is not built for heavy writes
  • Check the slot first: it will not fit M.2 slots that accept only NVMe

Silicon Power A55 256GB M.2 2280 SATA III Internal Solid State Drive prices at every store

  • Best BuyCheck price at Best Buy

Silicon Power A55 256GB M.2 2280 SATA III Internal Solid State Drive price history

Lowest price we've seen: $49.00 on Nov 2 at Best Buy. Tracked across 1 store since Nov 2.

What reviewers say

Owner feedback on the A55 line is generally positive for budget builds and older-machine upgrades, with buyers noting it works as expected for the price. Complaints tend to focus on the short warranty and on speed that is fine for SATA but not competitive with NVMe.

Pros
  • Recognised and worked immediately in compatible laptops and desktops
  • Cheap way to replace a hard drive and speed up an old PC
  • Runs cool and quiet in normal use
Cons
  • One-year warranty is shorter than most SSD brands offer
  • Sustained write speeds drop on very large transfers
  • Not a sensible choice for heavy gaming or workstation loads

Specifications

Storage Capacity
256 gigabytes
Storage Drive Type
SSD
Maximum Read Speed
560 megabytes per second
Maximum Write Speed
530 megabytes per second
Form Factor
M.2 2280
Interface(S)
SATA
Internal Or External
Internal
Product Compatibility
Laptop computers, Desktop computers
Product Width
0.9 inches
Warranty - Parts
1 year

Questions and answers

Is the Silicon Power A55 worth it?
Yes if you have a SATA M.2 slot and want a cheap, reliable boot or secondary drive. If your slot supports NVMe, a budget NVMe drive costs a little more and is several times faster.
Will this fit my laptop?
Only if your laptop has an M.2 2280 slot that supports SATA. Many modern laptops use M.2 slots wired for NVMe only, so check the manual or the slot keying before buying.
Is it faster than a hard drive?
Much faster. Sequential reads of up to 560 MB/s and writes of up to 530 MB/s beat any spinning laptop drive, and small-file performance improves most, which is what makes an old PC feel quicker.
How does it compare with an NVMe SSD?
It is slower. SATA tops out around 560 MB/s, while NVMe drives commonly reach 2,000 to 3,500 MB/s or more. For everyday browsing and office work the difference is small; for large file transfers it is noticeable.
What is in the box?
The drive itself. No mounting screws or cables are included, and M.2 drives usually need a small screw to hold them down, so keep the one from your old drive or check your motherboard's parts.
When is it cheapest?
Small SATA SSDs like this one see their lowest prices during major sales events and clearance periods. Track its price history here and buy when it dips below its recent average.

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