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HDD · SAS

Seagate Exos X20 18TB

Capacity
18TB
Connection
SAS
Hardware
3.5" HDD · CMR
Best available offer · 1 listings
$649.00
$36.06 / TB

Total includes shipping

NewBuy on eBay →

prices last checked 2026-10-16 14:07 UTC

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deal rating
2 — Meh

uglyHD's price-history score 2.1 · five pumpkins is an amazing, off-the-chart deal · how it’s scored

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price history
Lowest / TB
$19.39
Median / TB
$29.17
Current / TB
$36.06
$15.22$27.73$40.232026-09-112026-10-16
2026-10-16$36.06 / TB
all listings
Marketplace listings for this drive
SourceConditionPriceShip$/TB
ebayNew$649.00free$36.06Buy →
head to head
vs Dell Enterprise Nearline 18TB→vs Toshiba MG09 18TB→
cheaper per terabyte

Same interface and drive class, less money per terabyte.

Hitachi Ultrastar 7K6000 2TB$7.50/TBSeagate Constellation ES.3 4TB$7.50/TBHGST Ultrastar 7K4000 3TB$8.33/TBToshiba MG04 2TB$8.49/TBHGST Ultrastar 7K4000 2TB$8.97/TBHGST Ultrastar 7K4000 4TB$9.00/TB
related drives
Seagate Exos X20 20TB SASsame model, other capacity$15.72/TBSeagate Exos X18 18TB SASother 18TB SAS drive$20.27/TBWD Ultrastar DC HC550 18TB SASother 18TB SAS drive$23.06/TBToshiba MG09 18TB SASother 18TB SAS drive$55.28/TB
unbranded alternative

Sellers listing the same capacity, interface and form factor without naming a manufacturer or model — could be this drive, could be a different one.

Unbranded 18TB SAS — model not stated by sellerfrom $55.28/TB