SANDISK Optimus 5100 1TB vs WD Blue 500GB Internal SSD SSD Comparison

The main differences between SANDISK Optimus 5100 1TB and WD Blue 500GB Internal SSD are in Capacity, Interface, NVME and Form Factor.

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SANDISK Optimus 5100 1TB

WD Blue 500GB Internal SSD

Prices
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In Stock

Free shipping

$296.93

Prices
(Change region)

Out of Stock

Free shipping

$139.99

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Brand

SanDisk

Brand

Western Digital

Model

SDSP51100TAN-000E0
SDSP51100TAN

Model

WDS500G1B0A

Release Date

📅 February 2026

Release Date

📅 January 2018

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

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User reviews

★★★★★

(290 reviews)

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Performance (Charts)

n/a

Performance (Charts)

311th / 1746

Effective Value

275th / 336

Price history

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Price history

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Price/GB

$0.30

Price/GB

$0.28

GB/$1

3.37

GB/$1

3.57

Series

Blue

Capacity

1000 GB

Capacity

500 GB

Interface

PCIe Gen4 x4

Interface

SATA 6 Gb/s

NVME

Yes

NVME

Form Factor

M.2-2280

Form Factor

2.5"

SSD Controller

Marvell 1074

NAND Flash Type

2D NAND

Max Sequential Read

Up to 545 MB/s

Max Sequential Write

Up to 525 MB/s

MTBF

1,750,000 hours

Options (5)

	1TB 2D NAND 2.5” SSD $139.99
	1TB 2D NAND M.2 2280 SSD $149.03
	250GB 2D NAND 2.5” SSD $88.67
	250GB 2D NAND M.2 2280 SSD
	500GB 2D NAND M.2 2280 SSD $99.99