Performance Desktop PCIe 4.0 ×16 (256Gbps) upstream port PCI Express expansion chassis particularly designed for multiple GPU cards (up to 4× triple-width PCIe Gen4 slots available)
The Netstor NA255A-G4 GPU chassis implements the latest ultra high-speed PCIe 4.0 technology and PCIe Gen4 16-lane host interface with 16Gbps throughput per lane totally offering blazing-fast data transfer rates up to 256Gbps between host server/computer and expansion enclosure, dedicated for high-performance GPU-accelerated applications.
The GPU chassis is created to have four PCIe 4.0 ×16 slots (×16 electrically) on NA255A-G4 backplane, supporting up to four triple-width/dual-width PCIe Gen4 GPU cards, or single-width third-party PCIe cards. Additionally, the enclosure can accommodate all combinations of PCIe 4.0 ×16, ×8, ×4, and ×1 GPU/PCIe cards for every application with backward compatibility for Gen3 cards to work with server/workstation in various fields like HPC, telecom, data centers, and many more.
Dedicated high watt power supply for GPU Application
Newest high-end or enthusiast GPU cards generally require high power wattage for work; in light of the hi-power requirement factors, Netstor has thoughtfully planned a dedicated, high-efficient and high watt power supply unit within the GPU chassis to allow up to four high-performance graphics cards to process and render at the same time with highest reliability and stability.
Supplementary 12VHPWR Power Cables
Netstor NA255A-G4 GPU chassis has been considerately created to provide 12+4-pin (16-pin) 12VHPWR power cables to meet with each GPU card’s supplementary power demand, so each high-end graphics card that is utilized is certainly fully supported by the Netstor unit.
In view of high-performance GPU card with length up to 32 cm or so, due to card's heavy weight, wider width, and longer length, special graphics card holder has been considerately designed to support each PCIe ×16 slot within NA255A-G4 chassis in favor of holding the heavy-weight GPU card firmly and reliably in support of running multiple high-end graphics cards within the unit continuously.
NA255A-G4 is equipped with two front large 12×12 cm cooling fan modules with each fan supporting 106 CFM maximum flow, providing best airflow ventilation to chassis for most excellent heat dissipation while ensuring GPU cards within chassis can continuously operate long time without any high temp concern. Additionally, the fan speed of each cooling fan can be manually adjusted according to GPUs’ application situation within Netstor unit.
Although Netstor GPU chassis does support triple-width GPU cards, as double-width graphics card is utilized within enclosure, even better heat dissipation will be achieved for the graphics card within because wider gap between cards will be attained for the even finer airflow.
Conventional server just has CPU and integrated GPU to deal with professional applications; nevertheless, these processors couldn't even provide powerful enough computational rendering to satisfy present-day processing requirement. As a result, through the adding of NA255A-G4 GPU chassis with up to four enthusiast graphics cards to server can simply make it a supercomputing workstation.
Form Factor |
Desktop |
Host Interface |
Up to 256Gb/s external PCIe 4.0 x16 |
No. of Slot |
4* PCI Express 4.0 x16 signal and connector slot |
All slots support up to triple-width PCIe card |
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LED Display for Enclosure |
Power-On LED - Blue |
FAN normal – green; Fan failure – Red |
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TEMP normal – green; TEMP Over 55°C – red |
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Cooling |
Front: two 120x120x25 mm cooling fans |
106 CFM each fan @ full 2600 RPM speed |
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Alarm |
Buzzer beeping for fan failure or over temperature (over 55°C) occurs |
Material |
Solid metal structure with aluminum housing |
Power Supply |
Model : NA255A-G4 Universal Single 1650W/ 2000W (High-Efficiency & Low Noise) |
1650W – AC Input: 115V @16A or 240V @9A (60-50 Hz) |
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2000W – AC Input: 200V ~ 240V @ 12A (50 Hz) |
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Dimension |
450 (D) x 175.8 (W) x 374 (H) mm |
17.7 (D) x 6.9 (W) x 14.7 (H) inch |
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Weight |
12.5 Kgs (Including external cables) |
O.S. support |
OS Independent (No driver required) |
PCIe card Size Available |
Supports full length(320mm), full height(130mm), triple-width PCI Cards |
Host Requirement |
One PCIe Gen4 / Gen5 x16 slot (non Bifurcation support) |
Operating Temperature |
0 to 40°C (32 to 104°F) |
Storage Temperature |
-10 to 50°C (14 to 122°F) |
Relative Humidity |
20 to 80% (non-condensing) |
Package Content |
Enclosure x 1 |
PCIe Gen4 x16 host adapter card x 1 |
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mini-SAS HD cable (1.5 meter) x 4 |
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Power Cord x 1 |