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Product comparison · 2 nas & storage servers

NETGEAR RN21241D ReadyNAS vs QNAP TS-421U NORAIL

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  • 31specifications compared
  • 10differ
  • 21identical
  • 22known for one product only

Key differences

  • Storage drive interface
    • Serial ATA
    • Serial ATA, Serial ATA II
  • Maximum supported storage capacity
    • 16 TB
    • 12 TB
  • RAID levels
    • 0, 1, 5, 6, 10, JBOD
    • 0, 1, 6, 10
  • Flash memory
    • 128 MB
    • 16 MB
  • USB 2.0 ports quantity
    • 1
    • 2
  • LED indicators
    • Activity, LAN, Power
    • HDD, Status, USB
  • Width
    • 430 mm
    • 439 mm
  • Depth
    • 308 mm
    • 483 mm

Side by side

Differences highlightedShow differences only
53 specifications
A

NETGEAR

RN21241D ReadyNASView product
B

QNAP

TS-421U NORAILView product
Storage3 differ
Total installed storage capacityKnown for one4 TB
Number of storage drives installedKnown for one4
Number of storage drives supported44
Storage drive capacityKnown for one1 TB
Storage drive interfaceDiffersSerial ATASerial ATA, Serial ATA II
Storage drive size2.5/3.5"2.5/3.5"
Maximum supported storage capacityDiffers16 TB12 TB
RAID supportYesYes
RAID levelsDiffers0, 1, 5, 6, 10, JBOD0, 1, 6, 10
Hot-swap drive baysYesYes
Supported file systemsext3, ext4, FAT32, HFS+, NTFSext3, ext4, FAT32, HFS+, NTFS
Memory1 differ
Flash memoryDiffers128 MB16 MB
Internal memoryKnown for one1 GB
Internal memory typeKnown for oneDDR3
Networkidentical
Ethernet LANYesYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Wi-FiNoNo
DHCP clientKnown for oneYes
Jumbo frames supportKnown for oneYes
iSCSI supportYesYes
Maximum data transfer rateKnown for one1000 Mbit/s
Supported network protocolsKnown for oneTCP/IP, IPv4, IPv6, UPnP Discovery, Bonjour Discovery, Link Aggregation, SNMP v2/v3, SSH, NTP
Wake-on-LAN readyKnown for oneYes
Ports & interfaces1 differ
Ethernet LAN (RJ-45) ports22
USB 2.0 ports quantityDiffers12
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Fiber ports quantity00
eSATA ports quantity22
eSATAYesYes
Design1 differ
Chassis typeKnown for oneRack (1U)
Product colourBlackBlack
LED indicatorsDiffersActivity, LAN, PowerHDD, Status, USB
Number of fansKnown for one2 fan(s)
Performanceidentical
Access Control List (ACL)YesYes
Management protocolsKnown for oneSNMP
Softwareidentical
Windows operating systems supportedYesYes
Mac operating systems supportedYesYes
Linux operating systems supportedKnown for oneYes
Poweridentical
AC input voltage100-240 V100-240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Power consumption (typical)Known for one250 W
Weight & dimensions3 differ
WidthDiffers430 mm439 mm
DepthDiffers308 mm483 mm
Height44 mm44 mm
WeightDiffers7.48 kg6.7 kg
Operational conditions1 differ
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)Differs5 - 95%0 - 95%
Other featuresidentical
Compliance certificatesKnown for oneRoHS
Management platformKnown for oneReadyCLOUD
Performance managementKnown for oneS.M.A.R.T., HHS
Processoridentical
Processor familyKnown for oneMarvell
Processor frequencyKnown for one2 GHz
Number of processors installedKnown for one1

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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