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Product comparison · 2 nas & storage servers

QNAP TS-121 1x2TB vs QNAP TS-421U 4x2TB

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  • 60specifications compared
  • 21differ
  • 39identical
  • 4known for one product only

Key differences

The QNAP TS-421U 4x2TB has 6 TB more total installed storage capacity than the QNAP TS-121 1x2TB (8 TB vs 2 TB). The QNAP TS-421U 4x2TB has 3 more storage drives installed than the QNAP TS-121 1x2TB (4 vs 1). The QNAP TS-421U 4x2TB has 3 more storage drives supported than the QNAP TS-121 1x2TB (4 vs 1). Only the QNAP TS-421U 4x2TB has RAID support. Storage drive interface: Serial ATA II on the QNAP TS-121 1x2TB, Serial ATA, Serial ATA II on the QNAP TS-421U 4x2TB.

  • Total installed storage capacity
    • 2 TB
    • 8 TB
  • Number of storage drives installed
    • 1
    • 4
  • Number of storage drives supported
    • 1
    • 4
  • Storage drive interface
    • Serial ATA II
    • Serial ATA, Serial ATA II
  • Maximum supported storage capacity
    • 4 TB
    • 12 TB
  • RAID support
    • No
    • Yes
  • Ethernet LAN (RJ-45) ports
    • 1
    • 2
  • USB 2.0 ports quantity
    • 1
    • 2

Side by side

Differences highlightedShow differences only
64 specifications
A

QNAP

TS-121 1x2TBView product
B

QNAP

TS-421U 4x2TBView product
Storage6 differ
Total installed storage capacityDiffers2 TB8 TB
Number of storage drives installedDiffers14
Number of storage drives supportedDiffers14
Storage drive interfaceDiffersSerial ATA IISerial ATA, Serial ATA II
Maximum supported storage capacityDiffers4 TB12 TB
RAID supportDiffersNoYes
RAID levelsKnown for one0, 1, 5, 5+0, 5+1, 6, 10, JBOD
Networkidentical
Wake-on-LAN readyKnown for oneYes
Ports & interfaces3 differ
Ethernet LAN (RJ-45) portsDiffers12
USB 2.0 ports quantityDiffers12
eSATA ports quantityDiffers12
Design2 differ
Chassis typeDiffersTowerRack (1U)
Number of fansDiffers1 fan(s)2 fan(s)
Performance2 differ
Number of usersDiffers2048 user(s)4096 user(s)
Security algorithmsDiffersSSL/TLSHTTPS, SSL/TLS
Power2 differ
Power consumption (typical)Differs7 W33 W
Power consumption (sleep)Differs4 W12 W
AC input frequencyKnown for one50 - 60 Hz
Output powerKnown for one250 W
Weight & dimensions5 differ
WidthDiffers67 mm483 mm
DepthDiffers216 mm439 mm
HeightDiffers150.2 mm44 mm
WeightDiffers1.06 kg6.7 kg
Package weightDiffers1.86 kg11.1 kg
Operational conditions1 differ
Operating relative humidity (H-H)Differs0 - 95%0 - 90%

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.

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