HP Z420 WorkStation E5 1650 v2 6C 64GB 512GB SSD DOSref

Chipset - Intel C602 chipset
Form Factor - Convertible minitower
Color - Jack black
Convertibility - Yes. 5.25-inch drives rotate for Minitower or Desktop orientation.
Internal bays - 3 internal 3.5-inch bays (with acoustic dampening rail assemblies pre-installed)
External bays - 3 external 5.25-inch bays

Front I/O - /
2 USB 3.0/1 USB 2.0/1 Headphone/1 Microphone/1 IEEE 1394a standard
Rear I/O - 1 IEEE 1394a port/2 USB 3.0/4 USB 2.0/2 PS.2/RJ-45 (NIC)/1 Audio Line-In/1 Audio Line-Out/1 Microphone
Internal I/O - 6 USB 2.0 ports
System board Form Factor - ATX 24.384 x 30.48 cm (9.6 x 12 in)
Processor socket - Single LGA2011
CPU bus speed - QPI: Up to 8.0 GT/s
Chipset - Intel C602
Super I/O controller - Nuvoton NPCD379H (SIO-12)
Memory expansion slots - 8 DDR3 memory slots
Memory type supported - DDR3, UDIMM (Unbuffered), ECC
Memory modes - Channel interleaved
Memory speed supported - 1066-MHz, 1333-MHz, and 1600-MHz DDR3
Interfaces supported - SATA/Integrated RAID
Maximum memory - Supports up to 64GB
Power supply - 600 W 90% Efficient
Operating voltage range - 90-269 V ac
Chassis dimensions (H x W x D) - Standard minitower orientation: 44.76 x 17.78 x 44.52 cm (17.6 x 7.0 x 17.5 in)
Weight - Standard: 13.2 kg (29.2 lbs)
Temperature - Operating: 5° to 35°C (40° to 95°F)
Humidity - Operating: 8% to 85%
Maximum altitude - Operating: 3,048 m (10,000 ft)
Dynamic shock1 - Operating: Half-sine: 40 g, 2-3 ms
Dynamic vibration2 - Operating: 0.5 g (rms), 5-300 Hz