SANDISK Optimus GX PRO 850X 8TB Heatsink vs ADATA Legend 740 1TB SSD Comparison

SANDISK Optimus GX PRO 850X 8TB Heatsink and ADATA Legend 740 1TB 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 8TB Heatsink

ADATA Legend 740 1TB

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$2,699.99

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Brand

SanDisk

Brand

ADATA

Model

SDSP81800TAH-000E0
SDSP81800TAH

Model

ALEG-740-1TCS

Release Date

📅 February 2026

Release Date

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

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Price/GB

$0.34

Price/GB

GB/$1

2.96

GB/$1

Capacity

8000 GB

Capacity

1000 GB

Interface

PCIe Gen4 x4

Interface

PCIe Gen3 x4

NVME

Yes

NVME

Yes

Form Factor

M.2-2280

Form Factor

M.2-2280

Options (6)

	[LEGEND 740] 2500/2000MB/s 250GB
	[LEGEND 840] 5000/4500MB/s 1TB $194.88
	[LEGEND 840] 5000/4500MB/s 500GB
	[LEGEND 740] 2500/2000MB/s 500GB
	[LEGEND 900] 7000/5400MB/s 2TB $392.99
	[LEGEND 900] 7000/5400MB/s 1TB $74.99