20TB SAS 3.5in — Enterprise HDD Signals

2 models — WD, Toshiba. OEM premium, spread, and liquidity from secondary market observations.

Data as of 2026-04-18

▶What do these badges mean?
High liquidity50+ observed listings in the last 30 days. Strong price signal.
Medium liquidity10–49 listings. Reasonable basis for benchmarking.
Directional onlyFewer than 5 listings. Treat as directional only — not a pricing benchmark.
Low liquidity5–9 listings. Price signal is weaker — use directionally.
EmergingNewly tracked class. Data still accumulating.
Coming soonPlanned for coverage. No pricing data yet.
WDUltrastar DC HC560
WD Ultrastar DC HC560 20TB SAS
Coming soon
ToshibaMG10
Toshiba MG10 20TB SAS
Spread 6%4 obs· last seen 2d ago
Directional signal only — fewer than 5 observations
Directional only→

Other SAS 3.5in capacities

6TB →8TB →14TB →16TB →18TB →22TB →

Related categories

Server Memory →Server CPUs →