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Seagate Exos X20

Seagate · Internal Hard Drive

Seagate Exos X20 price in United Kingdom

MPN ST20000NM007D-FRMPN ST18000NM004DMPN ST18000NM000DEAN 8719706031554EAN 763649153185

  • Storage18 TB
  • ConnectivitySerial ATA III
  • TypeHDD
  • Weight670 g

Lowest price incl. delivery

£419.54

at PCHUB.UKFree deliveryIn stock

  • 3 stores
  • Range £419.54 – £825.99
  • Save up to £406.45 vs. the dearest store
  • 3 in stock
  • 2 with free delivery
  • Checked 5 Oct 2026, 18:25 UTC
Go to PCHUB.UK See all 4 offers

Ad · prices and stock as last reported by the store; the store's checkout is what counts.

Full specifications and side-by-side comparison

Prices in United Kingdom

3 stores · prices in GBP · updated 5 Oct 2026, 18:25 UTC

Lowest price£419.54at PCHUB.UK · free shippingGo to PCHUB.UK
Price range across 4 offers

Save up to £406.45 (49%) by choosing the cheapest store

  • 3 of 3 stores in stock
  • 2 with free shipping
  • Checked 5 Oct 2026, 18:25 UTC

  1. PCHUB.UKLowest priceSeagate Enterprise Exos X20 internal hard drive 20 TB 7200 RPM 3.5&quo In stockFree shipping
    £419.54incl. free shipping
    Go to store
  2. Back to the OfficeSeagate Enterprise Exos X20 internal hard drive 20 TB 7200 RPM 3.5" Serial ATA III In stockFree shipping
    £813.99incl. free shipping+£394.45 (94%) vs lowest
    Go to store
  3. Back to the OfficeSeagate Enterprise Exos X20 internal hard drive 20 TB 7200 RPM 3.5" SAS In stockFree shipping
    £825.99incl. free shipping+£406.45 (97%) vs lowest
    Go to store
  4. PcNova.co.ukSeagate Enterprise Exos X20 internal hard drive 20 TB 7200 RPM 3.5&quo In stockShipping not stated
    £419.54item price, shipping extra
    Go to store

Ad: we may earn a commission when you buy through these links; it never changes the order, which is by total price only. Prices and stock are shown as each store states them, as of 5 Oct 2026, 18:25 UTC, and can change at any time. Taxes are included only where the store includes them.

Price history in United Kingdom

Price history is being collected. After 14 days of prices we will show whether today's price is good.

Product details

Identification

Brand
Seagate
Product
Exos X20
Full name
Seagate Enterprise Exos X20 internal hard drive 18 TB 7200 RPM 3.5" Serial ATA III
Manufacturer part number
ST20000NM007D-FR, ST18000NM004D, ST18000NM000D, ST20000NM002D, ST18000NM003D, ST18000NM001D, ST20000NM003D, ST20000NM005D, ST20000NM002D-20PK, ST18000NM000D-20PK, ST18000NM004D-20PK, ST20000NM007D, ST18000NM003D-20PK, ST20000NM003D-20PK, ST18000NM001D-20PK, ST20000NM000D-20PK
EAN / UPC
8719706031554, 763649153185, 7636491531858, 8719706031622, 763649153147, 8719706031585, 033156800002, 763649153062

24 specifications from the manufacturer's data sheet

Features

HDD capacity18 TB
HDD speed7200 RPM
HDD size3.5"
InterfaceSerial ATA III
TypeHDD
Component forPC
HDD interface transfer rate6 Gbit/s
HDD sustained transfer rate272 MiB/s
HDD average transfer rate285 MB/s
Mean time between failures (MTBF)2500000 h

Power

Power consumption (typical)5.4 W
Power consumption (read)9.4 W
Power consumption (write)6.4 W
Operating voltage5 / 12 V

Operational conditions

Operating temperature (T-T)5 - 60 °C
Non-operating vibration2.27 G
Operating shock40 G
Non-operating shock200 G

Weight & dimensions

Width101.8 mm
Depth147 mm
Height26.1 mm
Weight670 g

Packaging data

Quantity per pack1 pc(s)

Logistics data

Harmonized System (HS) code84717050

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