Best Internal Hard Drives by Price per TB
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The best internal hard drive deal right now is whichever offer on this page has the lowest price per TB from a CMR drive at a warranty length you're comfortable with — the ranking below re-computes live from current Amazon prices.
Internal hard drives are still the cheapest way to own a terabyte. The list below ranks today's Amazon offers purely by price per TB — the number that matters when you're buying raw capacity — and it re-ranks itself every time our price snapshot refreshes.
Each entry notes how the offer compares to the typical price for drives of its size and condition, so you can tell a genuinely good deal from a big number with a small drive behind it.
HGST Ultrastar He6 6TB 3.5" SATA 7200 RPM Enterprise Internal Hard Drive with 64Mb Cache - HUS726060ALA640/ 0F18335 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0F18335
$130.00 · $21.67/TB as of Oct 20, 12:14 AM EDT
Ranks #1 at $21.67/TB — 54% below the typical 6TB HDD. New condition, SATA, 3.5".
Basicnology Enterprise HDD 14TB 7200RPM SATA 6Gb/s 128MB Cache 3.5inch Datacenter Hard Drive (BG14TSA256E) - 3 Years Warranty (Renewed)
$329.99 · $23.57/TB as of Oct 20, 12:14 AM EDT
Ranks #2 at $23.57/TB — 8% below the typical 14TB HDD. Renewed condition, SATA, 3.5", 3 yr warranty.
MDD MAXDIGITALDATA MDD 14TB 7200RPM SATA 6Gb/s 256MB Cache 3.5-inch Internal Desktop Hard Drive (Renewed)
$339.99 · $24.29/TB as of Oct 20, 12:14 AM EDT
Ranks #3 at $24.29/TB — 6% below the typical 14TB HDD. Renewed condition, SATA, 3.5".
Basicnology Surveillance HDD 14TB 7200RPM SATA 6Gb/s 128MB Cache 3.5inch Internal Surveillance Hard Drive (BG14TSA256S) - 3 Years Warranty (Renewed)
$349.99 · $25.00/TB as of Oct 20, 12:14 AM EDT
Ranks #4 at $25.00/TB — 3% below the typical 14TB HDD. Renewed condition, SATA, 3.5", 3 yr warranty.
MDD 14TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Internal Hard Drive for Surveillance Storage (MD14TGSA25672DVR) - 3 Years Warranty (Renewed)
$349.99 · $25.00/TB as of Oct 20, 12:14 AM EDT
Ranks #5 at $25.00/TB — 3% below the typical 14TB HDD. Renewed condition, SATA, 3.5", 3 yr warranty.
Seagate Exos x12 12TB SATA 6Gb/s 256MB Cache Enterprise Hard Drive 3.5in (ST12000NM0127) (Renewed)
$307.99 · $25.67/TB as of Oct 20, 12:14 AM EDT
Ranks #6 at $25.67/TB — 12% below the typical 12TB HDD. Renewed condition, SATA, 3.5".
Toshiba 14TB SATA 512e 256MB Cache 7200RPM 3.5" SATA 6.0Gb/s Enterprise Hard Drive - MG07ACA14TE (Renewed)
$359.99 · $25.71/TB as of Oct 20, 12:14 AM EDT
Ranks #7 at $25.71/TB. Renewed condition, SATA, 3.5".
MDD (MD14TSATA25672NAS) 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5'' Internal NAS Hard Drive - 5 Years Warranty (Renewed)
$359.95 · $25.71/TB as of Oct 20, 12:14 AM EDT
Ranks #8 at $25.71/TB. Renewed condition, SATA, 5 yr warranty.
MDD MAXDIGITALDATA MDD (MDD14TSATA25672E) 14TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Enterprise Hard Drive - 5 Years Warranty (Renewed)
$359.99 · $25.71/TB as of Oct 20, 12:14 AM EDT
Ranks #9 at $25.71/TB. Renewed condition, SATA, 3.5", 5 yr warranty.
Seagate Exos X14 ST14000NM0408 14TB 7.2K RPM CMR SATA 6Gb/s 512e 3.5in Hard Drive (Renewed)
$359.99 · $25.71/TB as of Oct 20, 12:14 AM EDT
Ranks #10 at $25.71/TB. Renewed condition, SATA, 3.5".
How the ranking and deal scores work
Compare live hard disk prices for all matching deals →
What to look for
Recording technology matters more than brand. CMR (conventional) drives handle sustained and random writes predictably; SMR (shingled) drives are cheaper per TB but slow dramatically under heavy rewrite workloads. For a desktop that mostly reads, SMR is fine — for anything write-heavy, insist on CMR.
Watch the warranty column. Desktop-class drives typically carry 2 years, NAS-class 3, and enterprise 5. A slightly higher price per TB with a 5-year warranty is often the better buy than the absolute cheapest offer.
Multi-packs sometimes top price-per-TB rankings. That's a real saving if you need the capacity — each entry notes when an offer is a multi-pack, so you're not surprised by four drives arriving instead of one.
FAQ
What is a good price per TB for an internal hard drive?
It moves with the market, which is why this page ranks live offers instead of quoting a number. As a rule of thumb, large-capacity drives (12TB and up) reach the lowest price per TB, and anything meaningfully below the typical price shown on each entry is a strong deal.
Is CMR or SMR better?
CMR is better for sustained or random write workloads (NAS, backups that rewrite, surveillance). SMR is acceptable for mostly-read archive use and is usually cheaper per TB.
Are renewed or used drives worth it?
They can be for secondary copies of data you already have backed up elsewhere. For a primary copy, the shorter effective life and reduced warranty usually outweigh the discount.
How fresh are these prices?
The snapshot refreshes on a daily schedule and every price shows its capture time. We never display prices older than 24 hours.