Compare Solid State Drives

Compare Seagate IronWolf 525 2TB vs SANDISK Optimus 5100 1TB

Seagate IronWolf 525 2TB and SANDISK Optimus 5100 1TB are both solid state drives with the same Interface (PCIe Gen4 x4) and Form Factor (M.2-2280). The main differences are in Capacity.

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Seagate IronWolf 525 2TB

SANDISK Optimus 5100 1TB

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Brand

Seagate

Brand

SanDisk

Model

ZP2000NM3A002

Model

SDSP51100TAN-000E0
SDSP51100TAN

Release Date

📅 October 2021

Release Date

📅 February 2026

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

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Price/GB

$0.17

Price/GB

$0.30

GB/$1

5.88

GB/$1

3.37

Series

IronWolf 525

Series

-

Capacity

2000 GB

Capacity

1000 GB

Interface

PCIe Gen4 x4

Interface

PCIe Gen4 x4

NVME

Yes

NVME

Yes

Form Factor

M.2-2280

Form Factor

M.2-2280

NAND Flash Type

3D TLC

NAND Flash Type

-

Cache

0MB

Cache

-

Max Sequential Read

Up to 5000 MB/s

Max Sequential Read

-

Max Sequential Write

Up to 4400 MB/s

Max Sequential Write

-

MTBF

1,800,000 hours

MTBF

-

Options (2)

	12TB HDD $410.87
	16TB HDD Pro $199.00

-

Comparison and key differences summary

Reasons to buy the Seagate IronWolf 525 2TB:

More Capacity (+1000 GB available)

Reasons to buy the SANDISK Optimus 5100 1TB:

13% cheaper, you can save $43.06
Newer Product, it was released around 4 years later

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