Buying Guide · 5 min read

How to Choose a Storage Drive

Five steps to pick the right drive without overspending or making costly mistakes.

Updated September 14, 2026

Amazon US · exact models

Models and offers for this guide

8 models

Compare capacity, specifications and condition. Confirm compatibility and the selected seller before ordering. As an Amazon Associate I earn from qualifying purchases.

Models and offers for this guide
Model & capacityFit & specificationsUS offer
Seagate ST1000DM003
Seagate Desktop HDDST1000DM0031TB · New
 SATA 6 Gb/s · 55 TB/year workload

Bulk files or game archives. Check the game’s SSD requirements for active installations.

 $74.99$74.99/TBView on Amazon ↗ — ST1000DM003, newChecked Sep 14, 2026 14:25 UTC
Samsung MZ-76P1T0
Samsung 860 PROMZ-76P1T01.024TB · New
 SATA 6 Gb/s1200 TBW

Check the slot, protocol and heatsink clearance; compare the exact-model endurance rating.

 $594.45$580.52/TBView on Amazon ↗ — MZ-76P1T0, newChecked Sep 14, 2026 14:25 UTC
Western Digital WD2003FZEX
Western Digital WD_BLACKWD2003FZEX2TB · New
 CMR · SATA 6Gb/s7200 RPM

Bulk files or game archives. Check the game’s SSD requirements for active installations.

 $208.00$104.00/TBView on Amazon ↗ — WD2003FZEX, newChecked Sep 14, 2026 12:58 UTC
Samsung MZ-76P2T0
Samsung 860 PROMZ-76P2T02.048TB · New
 SATA 6 Gb/s2400 TBW

Check the slot, protocol and heatsink clearance; compare the exact-model endurance rating.

 $977.45$477.27/TBView on Amazon ↗ — MZ-76P2T0, newChecked Sep 14, 2026 14:25 UTC
Seagate ST3000DM001
Seagate Desktop HDDST3000DM0013TB · New
 SATA 6 Gb/s · 55 TB/year workload

Bulk files or game archives. Check the game’s SSD requirements for active installations.

 $145.00$48.33/TBView on Amazon ↗ — ST3000DM001, newChecked Sep 14, 2026 12:59 UTC
Toshiba MN10ADA400ES
Toshiba N300MN10ADA400ES4TB · New
 CMR · SATA 6 Gb/s7200 RPM · 180 TB/year workload

4TB per bay. Check usable capacity after RAID and your NAS compatibility list.

 $372.65$93.16/TBView on Amazon ↗ — MN10ADA400ES, newChecked Sep 14, 2026 14:27 UTC
Western Digital WD60EFPX
Western Digital WD Red PlusWD60EFPX6TB · New
 CMR · SATA 6 Gb/s5400 RPM · 180 TB/year workload

6TB per bay. Check usable capacity after RAID and your NAS compatibility list.

 $328.99$54.83/TBView on Amazon ↗ — WD60EFPX, newChecked Sep 14, 2026 14:25 UTC
Lexar LNM790X008T-RNNNU
Lexar NM790LNM790X008T-RNNNU8TB · New
 PCIe 4.0 x4 / NVMe

Check the slot, protocol and heatsink clearance; compare the exact-model endurance rating.

 $1,499.99$187.50/TBView on Amazon ↗ — LNM790X008T-RNNNU, newChecked Sep 14, 2026 14:24 UTC

Specifications: linked manufacturer model pages. Selection covers different capacities and families; it is not a reliability ranking. Prices are per listed drive; Amazon’s price and availability at purchase apply.

Compare all drives by $/TB →

Step 1 – Define Your Use Case

Different workloads have fundamentally different requirements. Start here before looking at any specs.

Gaming
NAS
Backup
Video Editing

Step 2 – Choose Capacity

Buy more than you think you need. Storage fills up faster than expected.

Gaming PC → 1–2TB SSD
NAS → 16TB+ HDD
Backup → 8–20TB HDD

Step 3 – Check Recording Type (HDD Only)

For hard drives, CMR vs SMR is the most important factor most buyers overlook.

NAS / RAID → CMR only
Heavy writes → CMR only
Cold storage → SMR acceptable

Step 4 – Compare Price Per TB

Sort by $/TB, not total price. A $300 20TB drive at $15/TB beats a $240 14TB drive at $17/TB every time.

Step 5 – Check Warranty & Workload Rating

A 3–5 year warranty is a strong indicator of manufacturer confidence. For NAS drives, check the TB/year workload rating — 180 TB/yr minimum.

3–5 year warranty
180+ TB/yr workload
No workload rating → skip

Quick Decision Guide

Use Case Type Capacity Recording
Gaming PC NVMe SSD 1–2 TB —
NAS SATA HDD 16–22 TB CMR
Backup SATA HDD 8–20 TB CMR or SMR
Video Editing NVMe SSD 2–4 TB —
Cold Archive SATA HDD 8–20 TB SMR OK

Frequently Asked Questions

SSD or HDD — which should I buy?
For speed (OS, gaming, editing): NVMe SSD. For capacity and value (NAS, backup, bulk storage): HDD. For general secondary storage on a budget: SATA SSD.
How much storage is enough?
For gaming: 2TB is comfortable. For NAS: start at 16TB and plan for expansion. For backup: match or double your primary storage size.
Is a refurbished drive worth it?
Only for non-critical storage. Never use refurbished drives in RAID or as your only backup. For primary NAS drives, always buy new.
Does brand matter?
WD (HGST), Seagate, and Toshiba are the three major HDD manufacturers. All are reliable when you choose the right product line. Brand matters less than choosing the correct model (CMR, NAS-rated).

Ready to find the best deal?

Compare Amazon US offers by capacity, condition and price per TB.

Compare all drives by $/TB

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