Fresh/Last checked Sep 05, 02:30 AM·Updated daily
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Best Internal Hard Drives by Price per TB

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.

  1. HP 625140-001 3 TB 3.5" Internal Hard Drive - 625030-001, 625031-B21, 652766-B21

    $25.00 · $8.33/TB as of Sep 05, 02:30 AM

    Ranks #1 at $8.33/TB — 82% below the typical 3TB HDD. New condition, 3.5".

  2. Toshiba 14TB SATA 512e 256MB Cache 7200RPM 3.5" SATA 6.0Gb/s Enterprise Hard Drive - MG07ACA14TE (Renewed)

    $319.00 · $22.79/TB as of Sep 05, 02:30 AM

    Ranks #2 at $22.79/TB — 6% below the typical 14TB HDD. Renewed condition, SATA, 3.5".

  3. MDD (MD14TSATA25672NAS) 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5'' Internal NAS Hard Drive - 5 Years Warranty (Renewed)

    $329.95 · $23.57/TB as of Sep 05, 02:30 AM

    Ranks #3 at $23.57/TB — 3% below the typical 14TB HDD. Renewed condition, SATA, 5 yr warranty.

  4. MDD MAXDIGITALDATA MDD (MDD14TSATA25672E) 14TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Enterprise Hard Drive - 5 Years Warranty (Renewed)

    $329.99 · $23.57/TB as of Sep 05, 02:30 AM

    Ranks #4 at $23.57/TB — 3% below the typical 14TB HDD. Renewed condition, SATA, 3.5", 5 yr warranty.

  5. MDD (MDD28TSATA51272E) 28TB 7200RPM 512MB Cache SATA 6.0Gb/s 3.5inch Internal Enterprise Hard Drive - 5 Years Warranty (Renewed)

    $679.99 · $24.29/TB as of Sep 05, 02:30 AM

    Ranks #5 at $24.29/TB — 17% below the typical 28TB HDD. Renewed condition, SATA, 3.5", 5 yr warranty.

  6. Toshiba 10TB SATA 512e 7200RPM 3.5" Enterprise HDD - MG06ACA10TE (Renewed)

    $249.00 · $24.90/TB as of Sep 05, 02:30 AM

    Ranks #6 at $24.90/TB — 11% below the typical 10TB HDD. Renewed condition, SATA, 3.5".

  7. Toshiba MG Series Enterprise 10TB 3.5’’ SATA 6Gbit/s Internal HDD 7200RPM 550TB/year 24/7 Operation. MG06ACA10TE

    $249.00 · $24.90/TB as of Sep 05, 02:30 AM

    Ranks #7 at $24.90/TB — 47% below the typical 10TB HDD. Used condition, SATA.

  8. HGST Ultrastar 7K6000 HUS726060ALE610 (0F23001) 6TB 7200 RPM 128MB Cache SATA 6.0Gbps 3.5in Enterprise Hard Drive - 5 Year Warranty (Renewed),Mechanical Hard Disk

    $149.89 · $24.98/TB as of Sep 05, 02:30 AM

    Ranks #8 at $24.98/TB — 19% below the typical 6TB HDD. Renewed condition, SATA, 3.5", 5 yr warranty.

  9. WD Ultrastar DC HC530 14TB 7200RPM SATA 6Gb/s 3.5-inch Enterprise HDD - WUH721414ALE6L4 (Renewed)

    $349.99 · $25.00/TB as of Sep 05, 02:30 AM

    Ranks #9 at $25.00/TB — 3% above the typical 14TB HDD. Renewed condition, SATA, 3.5".

  10. Seagate Exos 24TB Internal Hard Drive HDD - 3.5 in CMR SATA 6Gb/s, 7200 RPM, 512MB Cache, 2.5M MTBF (ST24000NM000C) (Renewed)

    $619.99 · $25.83/TB as of Sep 05, 02:30 AM

    Ranks #10 at $25.83/TB — 11% below the typical 24TB HDD. Renewed condition, SATA, 3.5".

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.