CyberPower Liquid i7 Kraken review

Price when reviewed

The interior is dominated by a water-cooling rig that’s similar to the system used in CyberPower’s recent Infinity White Knight, with an XSPC reservoir occupying two 5.25in bays at the front of the machine, a radiator in the roof and numerous white coolant cables snaking between the CPU and graphics card. It’s an efficient system: the processor’s peak temperature of 66°C was impressive, and the graphics card’s 43°C was even better.

The smaller dimensions of the chassis, though, make the Kraken feel cramped. Two DIMM sockets are free, but they’re difficult to access behind a pair of cooling tubes, and you’ll have to dismantle most of the system to get to the single spare 5.25in bay. Thankfully, the four empty hard disk bays have tool-free cages and face the side of the chassis, so it’s easy to add more storage.

The motherboard offers mixed upgrade potential, too, with no second PCI-Express x16 slot and its five remaining slots – two PCI-Express x1 and three PCI – hampered by water-cooling tubes. We were pleased to see two SATA 3Gb/s ports perpendicular to the board, and there’s a free USB 3 jumper at the bottom, alongside a decent backplate selection that includes two USB 3 ports, eight USB 2 sockets, eSATA and FireWire.

CyberPower Liquid i7 Kraken

It’s not the most upgradeable system we’ve seen, then, but CyberPower has still made it both tidy and extremely quiet. When idling we only heard a slight hum when we got up close and personal and, while the Kraken became a bit louder during our stress tests, it’s nothing that won’t be drowned out by games or movies.

The peripherals are decent. BenQ’s LED-backlit G2420HDBL monitor combines a 1,920 x 1,080 native resolution with even, accurate colours, and the slight grain visible across lighter areas doesn’t detract too much from the good quality. The Logitech MK300 wireless keyboard and mouse are similarly competent, with the former offering a responsive typing action as well as a row of media buttons, and the latter proving basic, but comfortable.

The Kraken isn’t as brash as previous CyberPower systems or some of its rivals, but that’s no bad thing: for a fair amount less than its predecessor, it blitzed almost every benchmark we threw at it. It’s not quite as affordable as Yoyotech’s Fi7epower 4.8, but the Kraken offers increased gaming power and superior peripherals; in our book that makes it a very good high-end deal.


Warranty 1 yr return to base

Basic specifications

Total hard disk capacity 1,064GB
RAM capacity 4.00GB
Screen size 24.0in


CPU family Intel Core i7
CPU nominal frequency 3.30GHz
CPU overclocked frequency 4.60GHz
Processor socket LGA 1155
HSF (heatsink-fan) XSPC water cooling


Motherboard MSI P67A-C45
Motherboard chipset Intel P67
Conventional PCI slots free 3
Conventional PCI slots total 3
PCI-E x16 slots free 0
PCI-E x16 slots total 1
PCI-E x8 slots free 0
PCI-E x8 slots total 0
PCI-E x4 slots free 0
PCI-E x4 slots total 0
PCI-E x1 slots free 2
PCI-E x1 slots total 2
Internal SATA connectors 2
Internal SAS connectors 1
Internal PATA connectors 1
Internal floppy connectors 0
Wired adapter speed 1,000Mbits/sec


Memory type DDR3
Memory sockets free 2
Memory sockets total 4

Graphics card

Graphics card Nvidia GeForce GTX 580
Multiple SLI/CrossFire cards? no
3D performance setting Low
Graphics chipset Nvidia GeForce GTX 580
Graphics card RAM 2.00GB
DVI-I outputs 2
HDMI outputs 1
VGA (D-SUB) outputs 0
DisplayPort outputs 1
Number of graphics cards 1

Hard disk

Hard disk Crucial RealSSD C300
Capacity 64GB
Hard disk usable capacity N/A
Internal disk interface SATA/600
Spindle speed N/A
Cache size N/A
Hard disk 2 make and model Samsung Spinpoint F1 HD103SJ
Hard disk 2 nominal capacity 1,000GB
Hard disk 2 formatted capacity 931
Hard disk 2 spindle speed 7,200RPM
Hard disk 2 cache size 32MB
Hard disk 3 make and model N/A
Hard disk 3 nominal capacity N/A
Hard disk 4 make and model N/A
Hard disk 4 nominal capacity N/A


Optical drive N/A
Optical disc technology Blu-ray reader/DVD writer combo
Optical disk 2 make and model N/A
Optical disk 3 make and model N/A


Monitor make and model BenQ G2420HDBL
Resolution screen horizontal 1,920
Resolution screen vertical 1,080
Resolution 1920 x 1080
Pixel response time 5ms
Contrast ratio 1,000:1
Screen brightness 250cd/m2
DVI inputs 1
HDMI inputs 0
VGA inputs 1
DisplayPort inputs 0

Additional Peripherals

Speakers N/A
Speaker type N/A
Sound card Realtek HD Audio
Peripherals N/A


Chassis Cooler Master CM 690 II Lite
Case format Full tower
Dimensions 214 x 528 x 511mm (WDH)

Power supply

Power supply N/A
Power supply rating N/A
Power supply efficiency N/A

Free drive bays

Free front panel 5.25in bays 1

Rear ports

USB ports (downstream) 10
FireWire ports 1
eSATA ports 1
PS/2 mouse port yes
Electrical S/PDIF audio ports 1
Optical S/PDIF audio output ports 1
Modem no
3.5mm audio jacks 6

Front ports

Front panel USB ports 2
Front panel eSATA ports 1
Front panel memory card reader no

Mouse & Keyboard

Mouse and keyboard Logitech MK300 wireless keyboard and mouse

Operating system and software

OS family Windows 7

Noise and power

Idle power consumption 112W
Peak power consumption 473W

Performance tests

Overall application benchmark score 3.49
Office application benchmark score 3.32
2D graphics application benchmark score 3.50
Encoding application benchmark score 2.81
Multitasking application benchmark score 4.33
3D performance (crysis) low settings 195fps
3D performance setting Low

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