Compare Solid State Drives

Compare Seagate BarraCuda 120 2TB vs SANDISK Optimus GX 7100 2TB

Seagate BarraCuda 120 2TB and SANDISK Optimus GX 7100 2TB are both solid state drives with the same Capacity (2000 GB). The main differences are in Interface, NVME and Form Factor.

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Seagate BarraCuda 120 2TB

SANDISK Optimus GX 7100 2TB

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Brand

Seagate

Brand

SanDisk

Model

ZA2000CM1A003

Model

SDSP71200TAN-000E0
SDSP71200TAN

Release Date

-

Release Date

📅 February 2026

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

User reviews

★★★★★

(16 reviews)

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Price history

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Price history

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Price/GB

$0.12

Price/GB

$0.27

GB/$1

8.33

GB/$1

3.71

Series

BarraCuda 120

Series

-

Capacity

2000 GB

Capacity

2000 GB

Interface

SATA 6 Gb/s

Interface

PCIe Gen4 x4

NVME

No

NVME

Yes

Form Factor

2.5"

Form Factor

M.2-2280

NAND Flash Type

3D TLC

NAND Flash Type

-

Max Sequential Read

Up to 560 MB/s

Max Sequential Read

-

Max Sequential Write

Up to 540 MB/s

Max Sequential Write

-

MTBF

1,800,000 hours

MTBF

-

Options (5)

	250GB SATA SSD $39.99
	500GB M.2 SSD $159.00
	1TB M.2 SSD $236.36
	500GB SATA SSD $69.99
	250GB M.2 SSD $99.00

Options (3)

	500GB $159.99
	4TB $1,199.99
	1TB $299.99

Comparison and key differences summary

Reasons to buy the Seagate BarraCuda 120 2TB:

56% cheaper, you can save $299.76

Reasons to buy the SANDISK Optimus GX 7100 2TB:

Newer interface (PCIe Gen4 x4)

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