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Compare Silicon Power Ace A55 1TB vs SANDISK Optimus GX 7100M 2TB

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  2. Solid State Drives
  3. Silicon Power Ace A55 1TB 🆚 SANDISK Optimus GX 7100M 2TB
The main differences between Silicon Power Ace A55 1TB and SANDISK Optimus GX 7100M 2TB are in Capacity, Interface, NVME and Form Factor.
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Silicon Power Ace A55 2.5" 1TB SATA III 3D NAND SU001TBSS3A55S25NE
Silicon Power Ace A55 1TB
SANDISK Optimus GX 7100M 2TB NVMe PCIe Gen4 x4 M.2-2230 SDSP71200TAT-000E0
SANDISK Optimus GX 7100M 2TB
Prices
(Change region)
Out of Stock
Free shipping
$127.99
Out of Stock
$129.99
Out of Stock
Free shipping
$216.99
Show 1 more offers
Prices
(Change region)
In Stock
Free shipping
$599.99
In Stock
$708.92
Last updated 54 minutes ago.
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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
SanDisk
Model
  • SU001TBSS3A55S25NE
  • SU001TBSS3A55S25EU
Model
  • SDSP71200TAT-000E0
  • SDSP71200TAT
Release Date
-
Release Date
📅 February 2026
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★☆
(69 reviews)
User reviews
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.13
Price/GB
$0.30
GB/$1
7.81
GB/$1
3.33
Series
Ace A55
Series
-
Capacity
1000 GB
Capacity
2000 GB
Interface
SATA 6 Gb/s
Interface
PCIe Gen4 x4
NVME
No
NVME
Yes
Form Factor
2.5"
Form Factor
M.2-2230
NAND Flash Type
3D NAND
NAND Flash Type
-
Max Sequential Read
Up to 560 MB/s
Max Sequential Read
-
Max Sequential Write
Up to 530 MB/s
Max Sequential Write
-
MTBF
1,500,000 hours
MTBF
-
-

Comparison and key differences summary

Reasons to buy the Silicon Power Ace A55 1TB:

  • 79% cheaper, you can save $472.00

Buy now

Reasons to buy the SANDISK Optimus GX 7100M 2TB:

  • More Capacity (+1000 GB available)
  • Newer interface (PCIe Gen4 x4)

Buy now

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