Compare Solid State Drives

Compare SANDISK Optimus GX PRO 850X 4TB vs Samsung 870 QVO 8TB

The main differences between SANDISK Optimus GX PRO 850X 4TB and Samsung 870 QVO 8TB are in Capacity, Interface, NVME and Form Factor.

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SANDISK Optimus GX PRO 850X 4TB

Samsung 870 QVO 8TB

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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

SanDisk

Brand

Samsung

Model

SDSP81400TAN-000E0
SDSP81400TAN

Model

MZ-77Q8T0B/AM
MZ-77Q8T0BW

Release Date

📅 February 2026

Release Date

📅 August 2020

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

User reviews

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User reviews

★★★★★

(12 reviews)

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Performance (Charts)

n/a

Performance (Charts)

225th / 1746

Effective Value

-

Effective Value

324th / 336

Price history

View Details ►

Price history

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Price/GB

$0.33

Price/GB

$0.08

GB/$1

3.01

GB/$1

12.7

Series

-

Series

870 QVO Series

Capacity

4000 GB

Capacity

8000 GB

Interface

PCIe Gen4 x4

Interface

SATA 6 Gb/s

NVME

Yes

NVME

No

Form Factor

M.2-2280

Form Factor

2.5"

SSD Controller

-

SSD Controller

Samsung MKX

NAND Flash Type

-

NAND Flash Type

Samsung 4-bit MLC V-NAND

Max Sequential Read

-

Max Sequential Read

Up to 560 MB/s

Max Sequential Write

-

Max Sequential Write

Up to 530 MB/s

MTBF

-

MTBF

1,500,000 hours

-

Options (3)

	4TB $249.99
	2TB $499.00
	1TB $379.00

Comparison and key differences summary

Reasons to buy the SANDISK Optimus GX PRO 850X 4TB:

Newer Product, it was released around 6 years later
Newer interface (PCIe Gen4 x4)

Reasons to buy the Samsung 870 QVO 8TB:

49% cheaper, you can save $650.00
More Capacity (+4000 GB available)

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