Compare Solid State Drives

Compare Silicon Power S55 120GB vs A55 256GB

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  2. Solid State Drives
  3. Silicon Power S55 120GB 🆚 Silicon Power A55 256GB
Silicon Power S55 120GB and Silicon Power A55 256GB are both solid state drives with the same Interface (SATA 6 Gb/s). The main differences are in Capacity, Form Factor, NAND Flash Type and Max Sequential Read.
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Silicon Power S55 120GB 2.5" 7mm SATA III SP120GBSS3S55S25
Silicon Power S55 120GB
Silicon Power A55 M.2 2280 256GB SATA III 3D NAND SP256GBSS3A55M28
Silicon Power A55 256GB
Prices
(Change region)
In Stock
Free shipping
$53.99
Prices
(Change region)
Out of Stock
Free shipping
$16.99
Out of Stock
Free shipping
$20.99
-
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* Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.
Brand
Silicon Power
Brand
Silicon Power
Model
SP120GBSS3S55S25
Model
  • SP256GBSS3A55M28
  • SU256GBSS3A55M28AB
Release Date
📅 November 2016
Release Date
📅 July 2022
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★☆
(103 reviews)
User reviews
★★★★☆
(48 reviews)
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.45
Price/GB
$0.07
GB/$1
2.22
GB/$1
15.07
Series
Slim S55
Series
Ace A55
Capacity
120 GB
Capacity
256 GB
Interface
SATA 6 Gb/s
Interface
SATA 6 Gb/s
NVME
No
NVME
No
Form Factor
2.5"
Form Factor
M.2-2280
SSD Controller
Phison
SSD Controller
-
NAND Flash Type
TLC
NAND Flash Type
3D NAND
Max Sequential Read
Up to 500 MB/s
Max Sequential Read
Up to 560 MB/s
Max Sequential Write
Up to 350 MB/s
Max Sequential Write
Up to 530 MB/s
MTBF
-
MTBF
1,500,000 hours
-

Comparison and key differences summary

Reasons to buy the Silicon Power S55 120GB:

Buy now

Reasons to buy the Silicon Power A55 256GB:

  • 69% cheaper, you can save $37.00
  • Newer Product, it was released around 6 years later
  • More Capacity (+136 GB available)

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