All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 nas & storage servers

QNAP TS-421 + 4x 4TBWDRED vs QNAP TS-421U + 4x 1TBWDRED

Add a product
  • 68specifications compared
  • 13differ
  • 55identical
  • 0known for one product only

Key differences

The QNAP TS-421 + 4x 4TBWDRED has 12 TB more total installed storage capacity than the QNAP TS-421U + 4x 1TBWDRED (16 TB vs 4 TB). The QNAP TS-421 + 4x 4TBWDRED has 3 TB more storage drive capacity than the QNAP TS-421U + 4x 1TBWDRED (4 TB vs 1 TB). The QNAP TS-421 + 4x 4TBWDRED has 5 cm more fan diameter than the QNAP TS-421U + 4x 1TBWDRED (9 cm vs 4 cm). Only the QNAP TS-421 + 4x 4TBWDRED has external power adapter. Supported storage drive types: HDD & SSD on the QNAP TS-421 + 4x 4TBWDRED, HDD on the QNAP TS-421U + 4x 1TBWDRED.

  • Total installed storage capacity
    • 16 TB
    • 4 TB
  • Supported storage drive types
    • HDD & SSD
    • HDD
  • Storage drive capacity
    • 4 TB
    • 1 TB
  • Chassis type
    • Tower
    • Rack (1U)
  • Fan diameter
    • 9 cm
    • 4 cm
  • LED indicators
    • eSATA, HDD, LAN, Status, USB
    • HDD, LAN, Status, USB
  • Device class
    • Home & Home Office
    • Small & Medium Business
  • Power supply location
    • External
    • Built-in

Side by side

Differences highlightedShow differences only
68 specifications
A

QNAP

TS-421 + 4x 4TBWDREDView product
B

QNAP

TS-421U + 4x 1TBWDREDView product
Storage3 differ
Total installed storage capacityDiffers16 TB4 TB
Supported storage drive typesDiffersHDD & SSDHDD
Storage drive capacityDiffers4 TB1 TB
Design3 differ
Chassis typeDiffersTowerRack (1U)
Fan diameterDiffers9 cm4 cm
LED indicatorsDifferseSATA, HDD, LAN, Status, USBHDD, LAN, Status, USB
Performance1 differ
Device classDiffersHome & Home OfficeSmall & Medium Business
Power2 differ
Power supply locationDiffersExternalBuilt-in
Power supply unit (PSU) capacityDiffers36 W250 W
Weight & dimensions3 differ
WidthDiffers180 mm439 mm
DepthDiffers235 mm483 mm
HeightDiffers177 mm44 mm
Packaging content1 differ
External power adapterDiffersYesNo

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

More nas & storage servers comparisons

All nas & storage servers comparisons