Hard Drives Up 46% and Sold Out: How to Buy NAS and Backup Disks in 2026

We have sold and recovered storage for more than a decade, and this is the first time we have told a customer who came in to buy a hard drive to wait. Not because the drive was expensive, but because the price he would pay today will probably look cheap in a month, and because some capacity points cannot be ordered at all.

The 2026 mechanical hard drive market is not just a matter of rising prices. It is a structural shortage.

How bad is it? A few numbers

"Capacity sold out" is a phrase rarely heard in this industry. A normal storage market runs in cycles: too much supply and prices fall until inventory clears; too little and prices rise until capacity expands. This time the price went up and the manufacturers did not expand.

Why a price rise brought no new capacity

Only three companies remain in the global hard drive market: Seagate, Western Digital and Toshiba. It is a textbook oligopoly, and all three reason the same way.

• The history was too painful. Between 2019 and 2023 storage went through several brutal price wars, and HDD gross margins fell to single digits and sometimes into losses. All three learned to sell less rather than fight on price.
• The capital return does not work. A new HDD line takes 18–24 months and enormous capital expenditure, AI-era data growth is partly absorbed by SSD and the cloud, and the long-term demand curve is uncertain. No board approves capacity that may be surplus in five years.
• Restraint combined with price rises maximizes profit. Capacity is fixed, demand is inelastic, and prices rise for everyone. It is a Nash equilibrium: one company expanding alone would wreck the price, so nobody moves.
• Big customers come first. AWS, Azure, Google and Meta have locked up most output under three- to five-year agreements; channels and small businesses get what is left, at the highest price.

Demand pushes the same way. AI training produces enormous volumes of data, and most of it becomes warm or cold data: rarely read, but not deletable, because of compliance retention, training corpora and inference logs. A 30TB QLC SSD costs 22.6 times more per terabyte than an HDD, so that data lands on spinning disks. Morgan Stanley traces the 300EB gap mainly to data centers.

HAMR: the only supply-side variable, and it is late

Seagate's HAMR, or heat-assisted magnetic recording, is the key to capacity per drive. A laser heats a small patch of the media so that a high-coercivity material can be written, which allows a higher recording density. Mozaic 3+ is in volume production at 32TB, and the roadmap points past 40TB.

HAMR cannot close the shortage soon, for three reasons:

• Yields ramp slowly. HAMR needs lasers, near-field optical heads and custom media, far more complex than PMR/CMR, and first-pass yields and reliability qualification take time.
• Volume is small. The lines are new, output is limited, and what exists goes to cloud vendors with long-term agreements.
• It costs more. A 32TB HAMR drive costs more per terabyte than a mature 20TB CMR drive, a poor deal for a small business.

Western Digital's ePMR/OptiNAND route and Toshiba's FC-MAMR are incremental, reaching the 26–30TB class, and they also serve large customers first. For 2026–2027, supply to SMEs and NAS users will not improve much.

What to buy: three scenarios

NAS for home and studio use

• If you need to expand, buy now. IronWolf and Red Plus are still available in 4–8TB; prices are up but supply is stable, and anything above 16TB takes two to three months.
• Size is a long-term calculation. An 8TB drive runs RMB 1,400–1,600 and a 16TB RMB 2,400–2,800, cheaper per terabyte. If your data will double in two years, buy the larger drive now; the next batch will cost more.
• Do not save money with surveillance or teardown drives. Surveillance firmware is tuned for continuous writes and random performance is poor, so NAS file sharing stutters. Pull-outs have unknown power-on hours, and putting sole copies on one is a gamble.
• Check SMART before retiring an old drive. If 05, C5 or C6 is anything but zero, replace it. Do not wait for the array to degrade.

Enterprise backup and archiving

• Revisit the all-on-disk strategy. For cold data untouched for 90 days, tape (LTO-9, 18TB per cartridge, far cheaper per terabyte) and cloud archive (Alibaba Cloud OSS Archive, about RMB 0.033/GB/month) look attractive again.
• Put the offsite copy of a 3-2-1 scheme in the cloud. A 20TB drive kept offsite costs RMB 3,000 or more and needs manual sync; cloud archive is pay-as-you-go, automatic and offsite by nature. Recovery is slow, hours to a day, and costs accumulate, which suits cold data.
• Budget for the increase. A 2026 budget built on 2025 drive prices will blow through its storage line, since vendor targets sit 70–100% above current levels.

Surveillance storage

• Surveillance drives rose less, but large capacities are tight. A 7×24 write load needs WD Purple or Seagate SkyHawk, not a desktop disk: a desktop drive is rated for about eight hours a day, a threefold difference in life.
• Trade bitrate for capacity. Thirty-two 4MP channels at 4Mbps total 128Mbps, or about 16MB/s — roughly 1.4TB a day. Dropping secondary channels to 2Mbps or 15fps saves 40–50% of capacity; keep the important cameras at full bitrate.

Guangzhou reference prices, September 2026

The prices above are ACCPC channel prices with tax included, and they move weekly, so call before you order. ACCPC wholesales hard drives in Guangzhou, covering Seagate, Western Digital, Toshiba and Kioxia across NAS, enterprise, surveillance and desktop lines. Bulk orders can lock a price for 30 days, and drives ship after SMART testing and a burn-in run. We also recover data: rescuing what is already on your disks is often cheaper than buying new ones. Call 020-39029800.