Hdd Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Hdd sales on Amazon US totaled 57,000 units in July 2026 (▼ 22.5% vs. the prior month), generating an estimated $10,584,574 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 73.7% of unit volume and 62.5% of revenue, while a typical listing is priced at $293.72. The keyword itself pulled 28,901 Amazon queries over the same period (▼ 2.8% MoM).
Zooming out to the 12-month window ending July 2026, the hdd Top 50 moved 942,150 units and $119,370,818 in cumulative sales — an average of 78,513 units and $9,947,568 per month. Monthly throughput topped out at 115,450 units in November 2025 and dipped to 48,100 in May 2026, leaving the latest reading 24.7% lower than August 2025.
Hdd 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
57K
▼ 22.5% MoM
Monthly Revenue 2026/07
$10.6M
▼ 17.0% MoM
Top 10 Market Share 2026/07
73.7%
Hdd Market Share & Sales Concentration on Amazon US — July 2026
The most-sold hdd listing on Amazon US in July 2026 is ASIN B07CRG94G3 (Brand: Seagate), which sold 10,000 units at $129.99 apiece — equal to 17.5% of every unit tracked in this report and 2.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 42,000 units and $6,619,290 in July 2026 — 73.7% of unit volume and 62.5% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Hdd' on Amazon
July 2026
Is 73.7% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B07CRG94G3
Seagate 2TB Portable Hard Drive | USB 3.0 (STGX2000400) | Everyday HDD storage. Plug-and-play backup. Windows & macOS. Adobe CC trial included. 1-Year Warranty
10K
▲ 0.0%vs. prior month
$1.1M
latest month
12-month trend
B08HN37XC1
Sandisk 2TB Extreme Portable SSD (Old Model) - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE61-2T00-G25
5K
▲ 66.7%vs. prior month
$1.4M
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
B07CRG7BBH
Seagate Portable 1TB External Hard Drive HDD – USB 3.0 for PC, Mac, PlayStation, & Xbox, 1-Year Rescue Service (STGX1000400) , Black
4K
▼ 42.9%vs. prior month
$441.8K
latest month
12-month trend
B0FV8D5Y4D
UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 | for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black)
4K
▼ 20.0%vs. prior month
$154K
latest month
12-month trend
B0874XN4D8
Samsung T7 Portable SSD 1TB Titan Gray, USB 3.2 Gen 2, Up to 1,050MB/s | Reliable External Solid State Drive Storage for Gaming, Students, Professionals (MU-PC1T0T/AM)
4K
▼ 50.0%vs. prior month
$847.7K
latest month
12-month trend
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Best Hdd Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Seagate is the best-performing hdd brand in July 2026, moving 24,000 units across 5 ASINs for 57.1% of Top 10 volume. Sandisk follows with 5,000 units (11.9%), ahead of UnionSine on 4,000 units (9.5%).
With 6 brands splitting the Top 10 and 78.6% 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 $37.46 to $288.25, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Seagate
5 ASINs in Top 10
57.1%
Units
24K
Revenue
$3.8M
Avg. price
$179.99
B07CRG94G3
$129.99·★4.6·272.6K revsSeagate 2TB Portable Hard Drive | USB 3.0 (STGX2000400) | Everyday HDD storage. Plug-and-play backup. Windows & macOS. Adobe CC trial included. 1-Year Warranty
Units sold10KB07VS8QCXC
$219.98·★4.6·272.6K revsSeagate Portable 5TB External Hard Drive HDD – USB 3.0 for PC, Mac, PS4, & Xbox - 1-Year Rescue Service (STGX5000400), Black
Units sold4KB07CRG7BBH
$119.99·★4.6·272.6K revsSeagate Portable 1TB External Hard Drive HDD – USB 3.0 for PC, Mac, PlayStation, & Xbox, 1-Year Rescue Service (STGX1000400) , Black
Units sold4KB07CRGSR16
$189.97·★4.6·272.6K revsSeagate Portable 4TB External Hard Drive HDD – USB 3.0 for PC, Mac, Xbox, & PlayStation - 1-Year Rescue Service (SRD0NF1)
Units sold3KB07H289S7C
$240.00·★4.7·105K 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 sold3K
Sandisk
1 ASIN in Top 10
11.9%
Units
5K
Revenue
$1.4M
Avg. price
$288.25
B08HN37XC1
$288.25·★4.6·91.5K revsSandisk 2TB Extreme Portable SSD (Old Model) - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE61-2T00-G25
Units sold5K
UnionSine
1 ASIN in Top 10
9.5%
Units
4K
Revenue
$154K
Avg. price
$37.46
B0FV8D5Y4D
$37.46·★4.4·2.3K revsUnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 | for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black)
Units sold4K
Trending Hdd 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: B07VS8QCXC booked 4K units at $219.98, with ▲ 300.0% 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.
B07VS8QCXC
Seagate Portable 5TB External Hard Drive HDD – USB 3.0 for PC, Mac, PS4, & Xbox - 1-Year Rescue Service (STGX5000400), Black
Price
$219.98
Rating
4.6
Reviews
272.6K
Latest month sales
B07CRGSR16
Seagate Portable 4TB External Hard Drive HDD – USB 3.0 for PC, Mac, Xbox, & PlayStation - 1-Year Rescue Service (SRD0NF1)
Price
$189.97
Rating
4.6
Reviews
272.6K
Latest month sales
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
Unlock to view ASIN details and product titles
Price
$240.00
Rating
4.7
Reviews
105K
Latest month sales
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