OSIgate Quad NVME PCIeX16 controller for TrueNAS

OSIgate asmedia2824 NVME Quad M.2 PCIeX16 Controller (built-in asmedia2824 chip)
support 1~4 set of 2T M.2 NVME, PCIe 3.0, x16

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

 

 

 

OSIgate Quad NVME PCIeX16 nochip for TrueNAS

OSIgate NO-CHIP Quad M.2 PCIeX16 Controller (no chip, pcie direct NVME)
support 1~4 set of 2T M.2 NVME, PCIe 3.0, x16

for those new server bios support PCIe x4+x4，or PCIe X16 Bifurcation

compatible with the Intel® X299, Z390, Z370 and future platforms' RAID-on-CPU function, and supports PCIe 4.0 NVMe RAID on the AMD TRX40 and X570 platforms.

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

 

 

 

 

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NVMe Raid controller x8

NVMe Raid controller x16