Netstor Technology

NA255A

Performance Desktop PCIe 3.0 x16 (128Gbps) upstream port PCI-Express expansion enclosure particularly design for GPU cards (Available up to 4* double width PCIe Gen3 slots)

Overview

128Gbps Bandwidth – PCIe Gen3 x16

The Netstor NA255A GPU enclosure implements the latest PCIe 3.0 technology and PCIe Gen3 16-lane host interface with throughput 8Gbps per lane, offering blazing-fast data transfer rates up to 128Gbps between host and expansion enclosure, dedicated for GPU-accelerated applications.

Up to 4 Dual-Width GPU Cards

The GPU chassis is designed to have 4 PCIe x16 slots (x8 electrical)¹ on NA255A backplane supporting up to 4 double-width PCIe Gen3 GPU cards, or single-slot PCIe cards. In addition, the enclosure can accommodate all combinations of PCIe 3.0 ×1, ×4, ×8 and ×16 GPU/PCIe cards for every application with backward compatibility for Gen2 cards to work with host, server or workstation in areas such as HPC, telecom, and data centers.

¹ Netstor is dedicated to providing high C/P value GPU enclosure solution. According to graphics experts' test, there will be only 1% GPU performance difference when GPU card is installed in between PCIe x8 and x16 electrical. Please refer to AnandTech and TechPowerUp.

Great Sufficient Powering

1200 W PSU

80 PLUSGold

6+2 pinPCI-E cables

Dedicated 1200W PSU for
GPU Application

Newest high-end or enthusiast GPU cards generally require high power wattage for work; considering the hi-power requirement aspect, Netstor has considerately planned a dedicated, high-efficient 1200W power supply unit in the GPU enclosure to allow up to 4 high-performing graphics cards to process with top reliability and stability.

Supplementary 6+2 pin
PCI-E Power Cables

Netstor NA255A GPU enclosure has been thoughtfully designed to provide extra PCI-E power cables to meet each GPU card's supplementary power requirement. Furthermore, any combinations of 6-pin and 8-pin PCI-E power connectors on every graphics card are supported by NA255A.

High-Performance Computing

Traditional host computer or workstation only has CPU and regular GPU to work with professional applications. However, these conventional data processors cannot even provide a higher processing to meet modern working demands. Hence, by adding the Netstor NA255A GPU enclosure with up to four high-end GPU cards to your host/workstation can let your conventional host computer turn into a supercomputing or high-performance computing workstation.

DaVinci Resolve

Netstor NA255A offers a complete solution for working with Blackmagic Design DaVinci Resolve, the world's most advanced color grading tools. The NA255A GPU enclosure does also provide a high-performance processing to the host system for the colorist team and studios in the video editing and post-production industry. All in all, NA255A is the ideal solution for real-time, 4K/Ultra HD color correction in one package.

Data Science

Increasing number of data scientists are using multiple high-end graphics cards in Netstor GPU enclosure for large data analytics to make better and real-time business decisions. Typical application case in big data analytics includes machine learning, deep learning, search, and sorting.

Medical Imaging

Medical imaging takes the advantage of multi-GPU computing to get acceleration. Common use case in medical imaging covers accelerating Advanced MRI Reconstruction and Computed Tomography (CT) Reconstruction. The use of multiple high-end graphics card with Netstor GPU enclosure in this field is matured and there have been many such applications in the medical area.

Numerical Analytics

Professionals can use specialized tools such as MATLAB, Mathematica, and LabView…etc. through the utilization of multi graphics cards in Netstor GPU enclosure for accelerating the numerical analytics computing. Reliable statistics show computing capability of multi-GPU is more than ten times faster than CPU alone.

Extra Graphics Card Holders

In view of some high-performance GPU card with card length up to 30 cm or so, due to card's heavier weight and longer length, a special graphics card holder has been deliberately designed close to each PCIe slot for holding the large, heavy GPU card thoroughly and reliably within the NA255A enclosure.

Convenient Adjustable Fan Speeds

NA255A is equipped with two front large 12x12 cm cooling fan modules with each fan in support of 75 CFM, providing best airflow ventilation to enclosure for most excellent heat dissipation ever, and ensuring graphics cards within chassis can run long term without any high temp concern. Moreover, the fan speed of each cooling fan can be adjusted manually according to GPUs application situation within NA255A GPU chassis.

Perfect Graphics Cards Compatibility

The Nvidia and AMD GPU cards that are compatible and work greatly with Netstor NA255A enclosure include Nvidia GeForce 10 / 900 series, Quadro P6000 / M6000 series and AMD Radeon RX, R9 series, FirePro W9100 / 9000 series.


RTX 2080Ti *	Quadro RTX 8000 *	RX 5700 XT	WX 9100
RTX 2070	Quadro RTX 6000 *	RX 5700	WX 7100
TITAN V	Quadro RTX 5000	RX 5600 XT	WX 5100
TITAN X (Pascal)	GV100	RX 5600	W9100
GTX 1080Ti	GP100	Radeon VII	W9000
GTX 1080	P6000	RX 590	W8100
GTX TITAN X	M6000	RX 580	W8000

* Note: Requested Model NA255A-1500 (Power Supply provides 1500W for up to 4 GPU cards)

Specs

Specifications

	NA255A-XGPU	NA255A-1500
Form Factor	Desktop
Host Interface	Up to 128Gb/s external PCIe 3.0 x16
No. of Slot	4* PCI Express 3.0 x8 (x16 connector)
Card Length Available	Supports single or double width, full length,full height PCI Express Cards
LED Display for Enclosure	Power-On LED - Blue FAN normal – green; Fan failure – Red TEMP normal – green; TEMP Over 55°C – red
Cooling	Front: two 120x120x25 mm cooling fans 75 CFM each fan @ full speed
Alarm	Buzzer beeping for fan failure or over temperature (over 55°C) occurs
Material	Solid metal structure with aluminum housing
Power Supply	Model : NA255A-XGPU Universal Single 1200W (High-Efficiency & Low Noise) Input: 90~230 VAC/50-60 HZ 12V @ 100A (Note: 1300W peak power @ 12 seconds)	Model : NA255A-1500 Universal Single 1500W (High-Efficiency & Low Noise) Input: 90~230 VAC/50-60 HZ 12V @ 120A (Note: 1600W peak power @ 12 seconds)
Dimension	450 (D) x 175.8 (W) x 374 (H) mm 17.7 (D) x 6.9 (W) x 14.7 (H) inch
Weight	12.5 Kgs (Including external cables)
O.S. support	OS Independent
Host Requirement	One PCIe 3.0 x16 slot and system has sufficient PCIe resources Note: 1. The tower MacPro under 10.9 Mavericks and 10.10 Yosemite only supports up to 2 nVidia GPU cards. 2. Now the tower MacPro under 10.11 El Capitan is able to support up to 3 nVidia GPU cards again.
Package Content	Enclosure x 1 PCIe 3.0 x16 host adapter card x 1 PCIe 3.0 x8 cable(1.5 meter) x 2 Power Cord x 1

Form Factor

Desktop

Host Interface

Up to 128Gb/s external PCIe 3.0 x16

No. of Slot

4* PCI Express 3.0 x8 (x16 connector)

Card Length Available

Supports single or double width, full length,full height PCI Express Cards

LED Display for Enclosure

Power-On LED - Blue
FAN normal – green; Fan failure – Red
TEMP normal – green; TEMP Over 55°C – red

Cooling

Front: two 120x120x25 mm cooling fans
75 CFM each fan @ full speed

Alarm

Buzzer beeping for fan failure or over temperature (over 55°C) occurs

Material

Solid metal structure with aluminum housing

Power Supply

Model : NA255A-XGPU
Universal Single 1200W (High-Efficiency & Low Noise)
Input: 90~230 VAC/50-60 HZ
12V @ 100A
(Note: 1300W peak power @ 12 seconds)

Model : NA255A-1500
Universal Single 1500W (High-Efficiency & Low Noise)
Input: 90~230 VAC/50-60 HZ
12V @ 120A
(Note: 1600W peak power @ 12 seconds)

Dimension

450 (D) x 175.8 (W) x 374 (H) mm
17.7 (D) x 6.9 (W) x 14.7 (H) inch

Weight

12.5 Kgs (Including external cables)

O.S. support

OS Independent

Host Requirement

One PCIe 3.0 x16 slot and system has sufficient PCIe resources
Note:
1. The tower MacPro under 10.9 Mavericks and 10.10 Yosemite only supports up to 2 nVidia GPU cards.
2. Now the tower MacPro under 10.11 El Capitan is able to support up to 3 nVidia GPU cards again.

Package Content

Enclosure x 1
PCIe 3.0 x16 host adapter card x 1
PCIe 3.0 x8 cable(1.5 meter) x 2
Power Cord x 1

Accessories

Model No.	Description
NA255A-XGPU	Desktop PCIe Gen3 Expansion Enclosure, 1200W Single Power Supply with extra 4* PCIe power connectors 6+2 pin & 4* PCIe 6 pin for up to 4 double width GPU cards, with one PCIe Gen3 x16 host adapter and two PCIe x8 cables
NA255A-1500	Desktop PCIe Gen3 Expansion Enclosure, 1500W Single Power Supply with extra 8* PCIe power connectors 6+2 pin for up to 4 double width GPU cards, with one PCIe Gen3 x16 host adapter and two PCIe x8 cables
NP970AG3-H	Extra PCIe Gen3 x16 Host Adapter(full height & half Length)
AAML6815	Extra PCIe 3.0 x8 cable length in 1.5 meter

Model No. - NA255A-XGPU

Desktop PCIe Gen3 Expansion Enclosure, 1200W Single Power Supply with extra 4* PCIe power connectors 6+2 pin & 4* PCIe 6 pin for up to 4 double width GPU cards, with one PCIe Gen3 x16 host adapter and two PCIe x8 cables

Model No. - NA255A-1500

Desktop PCIe Gen3 Expansion Enclosure, 1500W Single Power Supply with extra 8* PCIe power connectors 6+2 pin for up to 4 double width GPU cards, with one PCIe Gen3 x16 host adapter and two PCIe x8 cables

Model No. - NP970AG3-H

Extra PCIe Gen3 x16 Host Adapter(full height & half Length)

Model No. - AAML6815

Extra PCIe 3.0 x8 cable length in 1.5 meter

Download

Datasheet

User Manual

Product Review

2019 Mac Pro meets Netstor PCIe Expansion Enclosure

The 2019 Mac Pro has EIGHT PCIe slots -- four of which are x16. Is that enough? Maybe. Maybe not. In case you need more, Netstor has a solution: The NA255A Expansion Enclosure which provides FOUR more PCIe 3.0 slots...

Q & A

Which slot of Mac Pro 2019 is recommended to be installed with Host adapter card of NA255A? Which PCIe slot is recommended on Dual CPU motherboard to let Netstor GPU expansion chassis (NA255A/NA265A)'s host card be installed in? Some PC motherboards just allow up to 2 GPU cards to work with the system. How can I enable the PC motherboard to let more GPU cards work with the system via the using of the Netstor NA255A/NA265A enclosure?