SANDISK Optimus 5100 1TB vs WD Blue SA510 250GB SSD Comparison

The main differences between SANDISK Optimus 5100 1TB and WD Blue SA510 250GB are in Capacity, Interface, NVME and Form Factor.

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SANDISK Optimus 5100 1TB

WD Blue SA510 250GB

Prices
(Change region)

In Stock

Free shipping

$296.93

Prices
(Change region)

In Stock

Free shipping

$105.40

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Brand

SanDisk

Brand

Western Digital

Model

SDSP51100TAN-000E0
SDSP51100TAN

Model

WDS250G3B0A

Release Date

📅 February 2026

Release Date

📅 May 2022

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

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User reviews

★★★★★

(3 reviews)

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Price/GB

$0.30

Price/GB

$0.17

GB/$1

3.37

GB/$1

5.82

Series

Blue SA510

Capacity

1000 GB

Capacity

250 GB

Interface

PCIe Gen4 x4

Interface

SATA 6 Gb/s

NVME

Yes

NVME

Form Factor

M.2-2280

Form Factor

2.5"

Max Sequential Read

Up to 555 MB/s

Max Sequential Write

Up to 440 MB/s

MTBF

Up to 1.75M hours

Options (7)

	500GB Old Generation $49.99
	1TB Old Generation $249.00
	500GB New Generation $184.95
	4TB Old Generation $249.99
	2TB Old Generation $399.79
	250GB Old Generation $80.00
	1TB New Generation $179.99