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-221 2x2TB vs QNAP TS-421U 2x2TB

Add a product
  • 60specifications compared
  • 17differ
  • 43identical
  • 4known for one product only

Key differences

  • Number of storage drives supported
    • 2
    • 4
  • Maximum supported storage capacity
    • 6 TB
    • 12 TB
  • Ethernet LAN (RJ-45) ports
    • 1
    • 2
  • USB 2.0 ports quantity
    • 1
    • 2
  • Chassis type
    • Tower
    • Rack (1U)
  • Number of fans
    • 1 fan(s)
    • 2 fan(s)
  • LED indicators
    • eSATA, HDD, LAN, Power, USB
    • HDD, LAN, Status, USB
  • Number of users
    • 2048 user(s)
    • 4096 user(s)

Side by side

Differences highlightedShow differences only
64 specifications
A

QNAP

TS-221 2x2TBView product
B

QNAP

TS-421U 2x2TBView product
Storage3 differ
Number of storage drives supportedDiffers24
Maximum supported storage capacityDiffers6 TB12 TB
RAID levelsDiffers0, 10, 1, 5, 5+0, 5+1, 6, 10, JBOD
Networkidentical
Wake-on-LAN readyKnown for oneYes
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers12
USB 2.0 ports quantityDiffers12
eSATAKnown for oneYes
Design3 differ
Chassis typeDiffersTowerRack (1U)
Number of fansDiffers1 fan(s)2 fan(s)
LED indicatorsDifferseSATA, HDD, LAN, Power, USBHDD, LAN, Status, USB
Performance2 differ
Number of usersDiffers2048 user(s)4096 user(s)
Security algorithmsDiffersSSL/TLSHTTPS, SSL/TLS
Power2 differ
Power consumption (typical)Differs19 W33 W
Power consumption (sleep)Differs7 W12 W
AC input frequencyKnown for one50 - 60 Hz
Output powerKnown for one250 W
Weight & dimensions5 differ
WidthDiffers102 mm483 mm
DepthDiffers216 mm439 mm
HeightDiffers150 mm44 mm
WeightDiffers1.74 kg6.7 kg
Package weightDiffers2.92 kg11.1 kg

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