SANDISK Optimus 5100 2TB vs WD Blue SN580 250GB SSD Comparison

SANDISK Optimus 5100 2TB and WD Blue SN580 250GB are both solid state drives with the same Interface (PCIe Gen4 x4) and Form Factor (M.2-2280). The main differences are in Capacity.

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SANDISK Optimus 5100 2TB

WD Blue SN580 250GB

Prices
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In Stock

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$559.96

Prices
(Change region)

Out of Stock

$32.99

Out of Stock

$38.99

Out of Stock

$49.99

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Brand

SanDisk

Brand

Western Digital

Model

SDSP51200TAN-000E0
SDSP51200TAN

Model

WDS250G3B0E

Release Date

📅 February 2026

Release Date

📅 June 2023

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

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Price/GB

$0.28

Price/GB

$0.13

GB/$1

3.57

GB/$1

7.58

Series

WD Blue SN580

Capacity

2000 GB

Capacity

250 GB

Interface

PCIe Gen4 x4

Interface

PCIe Gen4 x4

NVME

Yes

NVME

Yes

Form Factor

M.2-2280

Form Factor

M.2-2280

NAND Flash Type

TLC

Max Sequential Read

Up to 4000 MB/s

Max Sequential Write

Up to 2000 MB/s

MTBF

1.5M Hours

Options (7)

	SN580 - Up to 4,150 MB/s 500GB $158.10
	SN570 - Up to 3,500 MB/s 250GB $99.00
	SN580 - Up to 4,150 MB/s 1TB $193.11
	SN570 - Up to 3,500 MB/s 2TB $109.99
	SN580 - Up to 4,150 MB/s 2TB $278.29
	SN570 - Up to 3,500 MB/s 500GB $120.25
	SN570 - Up to 3,500 MB/s 1TB $169.00