Compare Solid State Drives

Compare SANDISK Optimus GX PRO 850X 4TB vs Sabrent Rocket Q 8TB

SANDISK Optimus GX PRO 850X 4TB and Sabrent Rocket Q 8TB 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 GX PRO 850X 4TB

Sabrent Rocket Q 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

Sabrent

Model

SDSP81400TAN-000E0
SDSP81400TAN

Model

SB-RKTQ-8TB

Release Date

📅 February 2026

Release Date

📅 May 2020

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

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User reviews

★★★★★

(60 reviews)

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Price history

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Price history

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Price/GB

$0.33

Price/GB

$0.17

GB/$1

3.01

GB/$1

5.71

Series

-

Series

ROCKET Q

Capacity

4000 GB

Capacity

8000 GB

Interface

PCIe Gen4 x4

Interface

PCIe Gen3 x4

NVME

Yes

NVME

Yes

Form Factor

M.2-2280

Form Factor

M.2-2280

SSD Controller

-

SSD Controller

Phison E12S

NAND Flash Type

-

NAND Flash Type

3D QLC NAND

Max Sequential Read

-

Max Sequential Read

Up to 3300 MB/s

Max Sequential Write

-

Max Sequential Write

Up to 2900 MB/s

MTBF

-

MTBF

1,800,000 hours

-

Options (4)

	1TB $49.99
	500GB $29.99
	4TB $169.99
	2TB $79.99

Comparison and key differences summary

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

5% cheaper, you can save $70.00
Newer Product, it was released around 6 years later
Newer interface (PCIe Gen4 x4)

Reasons to buy the Sabrent Rocket Q 8TB:

More Capacity (+4000 GB available)

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