Product comparison · 2 nas & storage servers

Lenovo EMC px4-400r 4TB vs QNAP IS-400 PRO

38specifications compared
17differ
21identical
42known for one product only

Key differences

Storage drives installed
- EMC px4-400r 4TB:Yes
- IS-400 PRO:No
Total installed storage capacity
- EMC px4-400r 4TB:4 TB
- IS-400 PRO:0 TB
Number of storage drives installed
- EMC px4-400r 4TB:4
- IS-400 PRO:0
Storage drive interface
- EMC px4-400r 4TB:Serial ATA III
- IS-400 PRO:Serial ATA
Storage drive size
- EMC px4-400r 4TB:3.5"
- IS-400 PRO:2.5"
RAID levels
- EMC px4-400r 4TB:0, 1, 5, 10, JBOD
- IS-400 PRO:0, 1, 5, 6, 10
Processor family
- EMC px4-400r 4TB:Intel Atom®
- IS-400 PRO:Intel® Celeron®
Processor frequency
- EMC px4-400r 4TB:2.13 GHz
- IS-400 PRO:1.1 GHz

Side by side

Differences highlightedShow differences only

Comparison of EMC px4-400r 4TB, IS-400 PRO
80 specifications	A Lenovo EMC px4-400r 4TB View product	B QNAP IS-400 PRO View product
Storage6 differ
Storage drives installedDiffers	Yes	No
Total installed storage capacityDiffers	4 TB	0 TB
Number of storage drives installedDiffers	4	0
Number of storage drives supported	4	4
Supported storage drive types	HDD & SSD	HDD & SSD
Storage drive interfaceDiffers	Serial ATA III	Serial ATA
Storage drive sizeDiffers	3.5"	2.5"
RAID support	Yes	Yes
RAID levelsDiffers	0, 1, 5, 10, JBOD	0, 1, 5, 6, 10
Hot-swap drive bays	Yes	Yes
Supported file systemsKnown for one	Unknown — not stated by the source	ext4, FAT32, HFS+, NTFS
Installed storage drive typeKnown for one	HDD	Unknown — not stated by the source
Storage drive capacityKnown for one	1 TB	Unknown — not stated by the source
Maximum supported storage capacityKnown for one	16 TB	Unknown — not stated by the source
Processor2 differ
Processor familyDiffers	Intel Atom®	Intel® Celeron®
Processor frequencyDiffers	2.13 GHz	1.1 GHz
Processor cores	2	2
Processor modelKnown for one	D2701	Unknown — not stated by the source
L2 cacheKnown for one	1 MB	Unknown — not stated by the source
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory type	DDR3	DDR3
Flash memoryKnown for one	Unknown — not stated by the source	512 MB
Maximum RAM supportedKnown for one	2 GB	Unknown — not stated by the source
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
DHCP clientKnown for one	Unknown — not stated by the source	Yes
DHCP serverKnown for one	Unknown — not stated by the source	Yes
Jumbo frames support	Yes	Yes
iSCSI support	Yes	Yes
Wake-on-LAN ready	Yes	Yes
Wi-FiKnown for one	No	Unknown — not stated by the source
Ports & interfaces2 differ
Ethernet LAN (RJ-45) ports	2	2
USB 2.0 ports quantityDiffers	4	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	2
Fiber ports quantity	0	0
HDMI ports quantity	1	1
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Design2 differ
Cooling typeDiffers	Active	Passive
Product colourDiffers	Black, Stainless steel	Black
Number of fansKnown for one	Unknown — not stated by the source	0 fan(s)
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Built-in displayKnown for one	Unknown — not stated by the source	Yes
Display typeKnown for one	Unknown — not stated by the source	LED
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Chassis typeKnown for one	Rack (1U)	Unknown — not stated by the source
Housing materialKnown for one	Stainless steel	Unknown — not stated by the source
Performance1 differ
Type	NAS	NAS
Device classDiffers	Small & Medium Business	Home & Home Office
Backup function	Yes	Yes
Backup featuresKnown for one	Unknown — not stated by the source	Cloud, iSCSI LUN
BuzzerKnown for one	Unknown — not stated by the source	Yes
Multilingual support	Yes	Yes
Built-in optical driveKnown for one	Unknown — not stated by the source	No
Card reader integratedKnown for one	Unknown — not stated by the source	No
Web-based managementKnown for one	Unknown — not stated by the source	Yes
On/off switchKnown for one	Unknown — not stated by the source	Yes
Reset buttonKnown for one	Unknown — not stated by the source	Yes
Number of usersKnown for one	75 user(s)	Unknown — not stated by the source
Noise levelKnown for one	42.5 dB	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	EMC LifeLine	Linux
Windows operating systems supported	Yes	Yes
Linux operating systems supported	Yes	Yes
Mac operating systems supported	Yes	Yes
Power1 differ
Power consumption (typical)Differs	73.72 W	19.7 W
Power consumption (sleep)Known for one	Unknown — not stated by the source	13.54 W
Power consumption (off)Known for one	Unknown — not stated by the source	1.6 W
AC input voltageKnown for one	100-240 V	Unknown — not stated by the source
AC input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	180 mm
DepthKnown for one	Unknown — not stated by the source	247 mm
HeightKnown for one	Unknown — not stated by the source	59 mm
WeightKnown for one	Unknown — not stated by the source	1.11 kg
Package weightKnown for one	Unknown — not stated by the source	3.92 kg
Packaging contentidentical
Quick installation guideKnown for one	Unknown — not stated by the source	Yes
Operational conditions2 differ
Operating temperature (T-T)Differs	10 - 40 °C	-25 - 50 °C
Operating relative humidity (H-H)Differs	8 - 85%	5 - 95%
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 60 °C	Unknown — not stated by the source
Other featuresidentical
Digital Living Network Alliance (DLNA) certifiedKnown for one	Unknown — not stated by the source	Yes

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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