Internal Hard Drives Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Internal Hard Drives sales on Amazon US totaled 22,650 units in July 2026 (▼ 21.8% vs. the prior month), generating an estimated $6,399,846 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 75.1% of unit volume and 73.2% of revenue, while a typical listing is priced at $354.39. The keyword itself pulled 11,670 Amazon queries over the same period (▼ 12.9% MoM).
Zooming out to the 12-month window ending July 2026, the internal hard drives Top 50 moved 393,250 units and $70,514,787 in cumulative sales — an average of 32,771 units and $5,876,232 per month. Monthly throughput topped out at 54,550 units in November 2025 and dipped to 17,150 in April 2026, leaving the latest reading 38.5% lower than August 2025.
Internal Hard Drives Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
22.6K
▼ 21.8% MoM
Monthly Revenue 2026/07
$6.4M
▼ 26.6% MoM
Top 10 Market Share 2026/07
75.1%
Internal Hard Drives Market Share & Sales Concentration on Amazon US — July 2026
The most-sold internal hard drives listing on Amazon US in July 2026 is ASIN B0BHJJ9Y77 (Brand: Samsung), which sold 5,000 units at $389.99 apiece — equal to 22.1% of every unit tracked in this report and 25% ahead of the No. 2 listing.
The Top 10 ASINs account for 17,000 units and $4,684,815 in July 2026 — 75.1% of unit volume and 73.2% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Internal Hard Drives' on Amazon
July 2026
Is 75.1% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B0BHJJ9Y77
Samsung SSD 990 PRO 2TB, PCIe 4.0 M.2 2280, Up to 7,450 MB/s | NVMe Internal Solid State Hard Drive for High End Computing, Gaming, and Heavy Duty Workstations, (MZ-V9P2T0B/AM)
5K
▼ 44.4%vs. prior month
$1.9M
latest month
12-month trend
B07VS8QCXC
Seagate Portable 5TB External Hard Drive HDD – USB 3.0 for PC, Mac, PS4, & Xbox - 1-Year Rescue Service (STGX5000400), Black
4K
▲ 300.0%vs. prior month
$840.5K
latest month
12-month trend
B07H289S7C
Seagate 8TB BarraCuda Internal Hard Drive | SATA 6 Gb/s (ST8000DM004) | Desktop HDD for everyday PC storage, gaming, & computing. Trusted reliability with 2-Year Warranty + 2-Year Rescue
3K
▲ 200.0%vs. prior month
$772.4K
latest month
12-month trend
B092R5KTT7
Seagate 8TB Expansion Desktop Hard Drive | USB 3.0 (STKP8000400) | Desktop HDD for easy backup, plug-and-play, drag-and-drop, auto detects Windows & Mac. 1-Year Warranty + 1-Year Rescue
1K
▼ 66.7%vs. prior month
$260.7K
latest month
12-month trend
B0CMQ6SK7W
Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX
1K
▲ 400.0%vs. prior month
$337.6K
latest month
12-month trend
B0G5YDXKS7
Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ
1K
▲ 0.0%vs. prior month
$194.8K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Internal Hard Drives Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Seagate is the best-performing internal hard drives brand in July 2026, moving 8,500 units across 4 ASINs for 50.0% of Top 10 volume. Samsung follows with 5,000 units (29.4%), ahead of Western Digital on 3,000 units (17.6%).
With 4 brands splitting the Top 10 and 97.1% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $215.98 to $389.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Seagate
4 ASINs in Top 10
50.0%
Units
8.5K
Revenue
$1.9M
Avg. price
$215.98
B07VS8QCXC
$219.99·★4.6·272.7K revsSeagate Portable 5TB External Hard Drive HDD – USB 3.0 for PC, Mac, PS4, & Xbox - 1-Year Rescue Service (STGX5000400), Black
Units sold4KB07H289S7C
$249.99·★4.7·105.1K revsSeagate 8TB BarraCuda Internal Hard Drive | SATA 6 Gb/s (ST8000DM004) | Desktop HDD for everyday PC storage, gaming, & computing. Trusted reliability with 2-Year Warranty + 2-Year Rescue
Units sold3KB092R5KTT7
$243.95·★4.1·8K revsSeagate 8TB Expansion Desktop Hard Drive | USB 3.0 (STKP8000400) | Desktop HDD for easy backup, plug-and-play, drag-and-drop, auto detects Windows & Mac. 1-Year Warranty + 1-Year Rescue
Units sold1KB07H2RR55Q
$149.99·★4.7·105.1K revsSeagate BarraCuda 2TB Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache – Frustration Free Packaging (ST2000DM008/ST2000DMZ08)
Units sold500
Samsung
1 ASIN in Top 10
29.4%
Units
5K
Revenue
$1.9M
Avg. price
$389.99
B0BHJJ9Y77
$389.99·★4.7·13.3K revsSamsung SSD 990 PRO 2TB, PCIe 4.0 M.2 2280, Up to 7,450 MB/s | NVMe Internal Solid State Hard Drive for High End Computing, Gaming, and Heavy Duty Workstations, (MZ-V9P2T0B/AM)
Units sold5K
Western Digital
4 ASINs in Top 10
17.6%
Units
3K
Revenue
$773.6K
Avg. price
$261.99
B0CMQ6SK7W
$354.99·★4.2·3.7K revsWestern Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX
Units sold1KB0G5YDXKS7
$194.99·★4.2·3.7K revsWestern Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ
Units sold1KB0F4R3YCL6
$404.99·★4.0·360 revsWestern Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX
Units sold500B0088PUEPK
$92.99·★4.6·57.7K revsWestern Digital 1TB WD Blue PC Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD10EZEX
Units sold500
Trending Internal Hard Drives Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, 3 ASINs forced its way in: B0CMQ6SK7W booked 1K units at $354.99, with ▲ 400.0% MoM change.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0CMQ6SK7W
Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX
Price
$354.99
Rating
4.2
Reviews
3.7K
Latest month sales
B07Y5VDNT9
PNY CS900 1TB 2.5" SATA III Internal SSD | Up to 535/515MB/s R/W - PC/Laptop/HDD Upgrade for Everyday Users, Creators, Gamers, and more - SSD7CS900-1TB-RB
Price
$149.99
Rating
4.7
Reviews
6.1K
Latest month sales
B0088PUEPK
Western Digital 1TB WD Blue PC Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD10EZEX
Unlock to view ASIN details and product titles
Price
$92.99
Rating
4.6
Reviews
57.7K
Latest month sales
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