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Compare SANDISK Optimus GX PRO 850X 1TB Heatsink vs 500GB Ultra 3D NAND

The main differences between SANDISK Optimus GX PRO 850X 1TB Heatsink and SanDisk 500GB Ultra 3D NAND are in Capacity, Interface, NVME and Form Factor.

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SANDISK Optimus GX PRO 850X 1TB Heatsink

SanDisk 500GB Ultra 3D NAND

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Brand

SanDisk

Brand

SanDisk

Model

SDSP81100TAH-000E0
SDSP81100TAH

Model

SDSSDH3-500G-G25

Release Date

📅 February 2026

Release Date

📅 July 2017

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

User reviews

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User reviews

★★★★☆

(10 reviews)

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Performance (Charts)

n/a

Performance (Charts)

243rd / 1746

Effective Value

-

Effective Value

148th / 336

Price history

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Price history

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Price/GB

$0.35

Price/GB

$0.07

GB/$1

2.86

GB/$1

14.29

Series

-

Series

Ultra 3D

Capacity

1000 GB

Capacity

500 GB

Interface

PCIe Gen4 x4

Interface

SATA 6 Gb/s

NVME

Yes

NVME

No

Form Factor

M.2-2280

Form Factor

2.5"

NAND Flash Type

-

NAND Flash Type

3D NAND

Max Sequential Read

-

Max Sequential Read

Up to 560 MB/s

Max Sequential Write

-

Max Sequential Write

Up to 530 MB/s

-

Options (3)

	1TB 3D NAND SSD $359.50
	2TB 3D NAND SSD $764.00
	250GB 3D NAND SSD $32.99

Comparison and key differences summary

Reasons to buy the SANDISK Optimus GX PRO 850X 1TB Heatsink:

Newer Product, it was released around 9 years later
More Capacity (+500 GB available)
Newer interface (PCIe Gen4 x4)

Reasons to buy the SanDisk 500GB Ultra 3D NAND:

90% cheaper, you can save $315.00

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