Octet NVME controller for TrueNAS

OSIgate PEX88048 NVME Octet M.2 PCIeX16 Controller (built-in PEX88048 chip)
support 1~8 sets of 2T M.2 NVME, PCIe 3.0, x16

TrueNAS ZFS storage pool size :

16T storage in Raid 0, striping

14T storage in Raid 5, distributed parity

8T storage in Raid 1, mirroring

TrueNAS ZFS storage pool size, 2T x 8 M.2 NVMe :

16T storage in Raid 0, striping
12T storage in Raid 5, distributed parity
8T storage in Raid 1, mirroring

TrueNAS ZFS storage pool size, 4T x 8 M.2 NVMe :

32T storage in Raid 0, striping
28T storage in Raid 5, distributed parity
16T storage in Raid 1, mirroring

Specifications

 

Product feature

  

Bus Interface
PCI-Express 4.0 x16

Number of Channel / Port
8 x M.2 NVMe port (Dedicated PCIe 4.0 x4 per port)

Port Type
8 x M.2 NVMe

Data Transfer Rate
16GT/s

Number of device
8 x M.2 NVMe SSD

SSD Form Factor
2242/2260/2280 (supports single & double sided)

External Power Support
Yes (Use 6pin PCIe Power Connector)

Form Factor
Full-Height

Card Dimensions
11.18''(W)*4.41''(H)*0.94''(D)

 

 

 

OSIgate Quad NVME PCIeX8 controller for TrueNAS

OSIgate asmedia2824 NVME Quad M.2 PCIeX8 Controller (built-in asmedia2824 chip)
support 1~4 set of 2T M.2 NVME, PCIe 3.0, x8

TrueNAS ZFS storage pool size, 2T x 4 M.2 NVMe :

8T storage in Raid 0, striping
6T storage in Raid 5, distributed parity
4T storage in Raid 1, mirroring

TrueNAS ZFS storage pool size, 4T x 4 M.2 NVMe :

16T storage in Raid 0, striping
12T storage in Raid 5, distributed parity
8T storage in Raid 1, mirroring

 

Chip Description

ASMedia PCIe product ASM2824, a low latency, low cost and low power 24 lane , maximum 12 downstream ports packet switch. With upstream PCIe Gen3x8 bandwidth, ASM2824 can enable users to build up various high speed IO systems, including server, system storage or communication platforms.

Features

Upstream PCIe interface

  • 1-, 2-, 4-, or 8-lane PCIe® connecting with root port
  • Automatic detection of lane configuration on boot-up
  • Supporting transfer rate of 2.5Gb(250MB/s), 5Gb(500MB/s) per lane

Downstream PCIe interface

  • 16 lane PCIe® 3.1 interface supporting up to 12 PCIe® ports
  • Support L0s/L1/L23/L3 power saving states
  • Support L1 substate deep power saving mode
  • Support wake up function in S3/S4
  • Support port disable by individual control
  • Support LTR
  • Support AER
  • Support SRIS on both upstream and downstream ports.
  • Max Payload Size = 512Byte

 

 

 

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NVMe Raid controller x8

NVMe Raid controller x16