SANDISK Optimus 5100 1TB vs WD Blue SN570 250GB SSD Comparison

SANDISK Optimus 5100 1TB and WD Blue SN570 250GB are both solid state drives with the same Form Factor (M.2-2280). The main differences are in Capacity and Interface.

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SANDISK Optimus 5100 1TB

WD Blue SN570 250GB

Prices
(Change region)

In Stock

Free shipping

$296.93

Prices
(Change region)

In Stock

Free shipping

$99.00

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Brand

SanDisk

Brand

Western Digital

Model

SDSP51100TAN-000E0
SDSP51100TAN

Model

WDS250G3B0C

Release Date

📅 February 2026

Release Date

📅 September 2021

* First availability for purchase, it may not correspond to the actual market launch date.

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★★★★★

(2 reviews)

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Price/GB

$0.30

Price/GB

$0.14

GB/$1

3.37

GB/$1

7.36

Series

Blue SN570 NVMe

Capacity

1000 GB

Capacity

250 GB

Interface

PCIe Gen4 x4

Interface

PCIe Gen3 x4

NVME

Yes

NVME

Yes

Form Factor

M.2-2280

Form Factor

M.2-2280

NAND Flash Type

TLC

Max Sequential Read

Up to 3300 MB/s

Max Sequential Write

Up to 1200 MB/s

MTBF

1.5M Hours

Options (6)

	500GB SN550 - Up to 2,600 MB/s $149.00
	250GB SN550 - Up to 2,600 MB/s $44.99
	1TB SN570 - Up to 3,500 MB/s $169.00
	500GB SN570 - Up to 3,500 MB/s $120.25
	2TB SN550 - Up to 2,600 MB/s $165.99
	1TB SN550 - Up to 2,600 MB/s $178.27