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Compute Nodes


The HX425T2a delivers exceptional performance for HPC and scientific workloads in a reliable and power efficient enclosure.

The HX425T2a features four Hot-Pluggable Dual Processor nodes in 2U rack space with a high efficiency (93+) 1+1 Redundant Power Supply, up to 96 cores (or 192 threads) and optional onboard QDR infiniband.

HX425T2a image
Key Features

The layout and chassis design provides four nodes in 2U and up to 84 Nodes in a 42U standard rack which is perfect to save rack space. The four full servers in a 2U chassis are backed up with high efficiency redundant hot-swap power supplies

With the ability to use the latest in processor technology from the AMD 6200 series CPU, Viglen is able to deliver unsurpassed memory I/O and performance

Cost Reduction
The Viglen 2U HX425T2a reduces TCO and running costs by not only saving rack space but also by incorporating a 90%+ efficient PSU. Having a more efficient power supply means a lower overall power draw which leads to lower electricity and air-conditioning bills.

PDF HX425T2a spec sheet

Base Board
SuperMicro H8DGT-HF motherboard SuperMicro X8DGT-HIBQF motherboard (QDR Infiniband)
Hot–Pluggable Nodes (optional)
Four low profile AOC slots (1x slot per node) Hot swappable motherboard module (adapter card required)
AMD SR5670+ SP5100 Chipset
Processor Support
Two Sixteen/Twelve Core AMD Opteron 6200 Series (Socket G34) support, HyperTransport HT3 Link
Up to 256GB of DDR3 ECC Registered 1333/1066/800MHz SDRAM in 16 DIMMs
Infiniband (optional)
Mellanox ConnectX Single Port 40Gbps
Integrated SATA Interface
  • Six SATA 2 3.0Gbps Ports
  • AMD SP5100 RAID 2.0 support for RAID 0 and 1
Intel 82576Chipset Dual LAN Controller
Display adapter
Matrox G200 16MB Graphics
PCI Expansion
One PCI–E 2.0 x16 support riser card
IPMI Management
IPMI 2.0 + KVM with dedicated LAN
External Ports
  • Two stacked USB connectors on rear of chassis
  • Three RJ45 LAN Ports (Two network, one IPMI)
Power Supply
1400W high–efficiency (1+1) redundant power
supply (80PLUS Gold Certified)
System Cooling
Total of four 4–pin PWM fans
Drive/Peripheral Bay Expansion
Twelve 3.5" hot–swap SAS/SATA drive trays
(3 for each node)
System Dimensions (H x W x D)
2U Rackmount 3.47" x 17.2" x 28.5"
Standard Warranty
3 Years on–site with a 5 working day response. Additional options are available; please speak to your Account Manager.
Ambient Temperature:
  • Operating –10°C to +35°C (50° to 95°F)
  • Non–operating –40°C to +70°C (–40° to 158°F)
Relative Humidity:
  • Operating 8% to 90%
  • Non–operating 5% to 95%