Redundant All-NVMe Storage Appliance with high speed network interfaces
The Zstor HA226NVAI-2U is a high available and redundant all-NMVe storage appliance, delivering up to 26x NVMe Gen5 Dual Port capacity with high speed network interfaces. Two nodes process I/Os and provide simultaneous and balanced access to the logical devices, which increases overall cluster performance significantly. During Failover, one node takes over all storage access and services, allowing for High-Availability access.
- 2U 2-Node high-availability storage server supports 26 hot swap PCIe Gen5 U.2 dual port drives
- Fully redundant, fault-tolerant system supporting hot swappable compute nodes and storage drives
- Two compute nodes, Active-Active configuration, each supporting AMD EPYC™ 9000 SP5 processor
- Supports DDR5 & PCIe Gen5 Dual
- 100GbE link between nodes for communication and fail-over

The Zstor HA226NVAI-2U is a 2U 26 NVMe Cluster-in-a-box
The Zstor HA226NVAI-2U is a 2U 26 NVMe Cluster-in-a-box solution that provides high availability in an active-active configuration. It comes with two AMD server boards (one board per node), each supporting AMD EPYC™ 9000 SP5 processor product family. Both nodes process I/Os and provide simultaneous and balanced access to the logical devices, which increases overall cluster performance significantly.
When failover occurs, the secondary node automatically takes over the devices, client connections, and all processes/services of the system. It provides protection from loss of revenue when access to data resources and critical business applications are disrupted.The Zstor HA226NVAI-2U eliminates SPOFs (singlepoint of failures). Its support on Gen5 NVMe drives allows faster access to data. It is optimized for mission-critical,enterprise-level storage applications.
High Performance
The combination of AMD EPYC 9000 SP5 processors, NVMe drives and Nvidia Networking Ethernet/Infiniband adapters enables a powerful, non-blocking and switchless PCIe 5.0 layout. This design reduces congestion and ensures superior virtualisation efficiency, resource orchestration and improved system and data protection.
Flexible Network Configuration and Capacity Expansion
Ethernet and Infiniband adapters featuring RDMA capabilities provide a technology that bypasses the operating system, accessing memory directly from another storage server node with reduced CPU load, lower latency, and heigher throughput. With speeds reaching up to 200 Gbit per port and supporting up to 8 ports per node, it ensures ample bandwidth for high-performance NVMe storage. Additional Zstor FE224NV NVMe Flash Enclosures can be seamlessly added, whether directly connected or via a fabric, offering scalable storage capacity expansion.
Applications Failure-free Operation Support
The implementation of power redundancy and a hot-swappable node design enhances operational reliability. The hot-swappable feature extends to all serviceable parts, simplifying maintenance and ensuring uninterrupted functionality.
All configurations available on demand as BTO.
Zstor HA226NVAI-2U
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| Product | Zstor HA226NVAI-2U Storage Appliance - 26x 2.5“ bays dual-ported |
| System Type | Storage Appliance with 2 independant swappable controller nodes |
| Drive Bays | 26 x PCIe Gen5 dual port NVMe |
| Shared Backplane | NVMe SSDs PCIe 5.0 dual-ported 2x2 |
| Processor (per node) | AMD EPYC™ 9000 series processor Genoa/Turin SP5 supports CPU TDP 400W |
| Boot Drives (per node) | 1x M.2 2280 NVMe Boot SSD for OS |
| Network Controller | Realtek RTL8211FS for BMC dedicated management port Broadcom 57416 for dual port 10G Broadcom CM57508 for node to node dual port communication |
| System Memory(per node) | 12 x memory channels per CPU, 1 x DIMM per channel 12 x DIMM slots support: DDR5 4800 MT/s(1DPC) by Genoa; DDR5 6000 MT/s(1DPC) by Turin |
| Front Panel | Power button System ID LED Power status LED System alert LED 1 x USB 3.x Type-A (from CPU) |
| LEDs | Front panel: Power status LED, System alert LED, System ID LED Back panel: 4 x Bi-color LED, red and green |
| Expansion Slots (per node) | PCIe 5.0 3 x PCIe Gen5 x16 (FHHL) |
| Riser Card (included) (per node) | Cabel CEM |
| System BIOS |
BIOS Type: AMI UEFI BIOS |
| BMC |
Aspeed AST2600 Advanced PCIe Graphics &Remote Management Processor |
| On-board Graphics | Aspeed AST2600 Advanced PCIe Graphics &Remote Management Processor PCIe Graphic/2D Controller 1920x1200@60Hz 32bpp |
| Rear I/O |
LAN: 2 x 10GbE RJ45, 1 x 1GbE RJ45 for BMC management port |
| Power Supply | 3200W 1+1 CRPS redundant power supply 80+Platinum/Titanium |
| System Cooling | 6 x 4056 PWM fans (per node), 2 x 4028 PWM fans |
| System Management | IPMI 2.0 KVM over IP Media redirection, Temperature, fan, voltage, PSU sensor monitor System temperature System ID / System fail indicator Remote power on/off/reset SEL message alarm through mail SNMP support |
| Environmental Specifications | Storage temperature: -10ºC(14ºF) ~ 60ºC(140ºF) Operating temperature: 0ºC(32ºF) ~ 35ºC(95ºF) Storage operating humidity: 5%~95% non-condensing |
| Dimensions (W x D x H) | mm : 438 x 750 x 88 inches : 17.2 x 29.5 x 3.5. |
| Packaging Dimensions (W x D x H) | mm : 605 x 1060 x 294 inches : 23.8 x 41.7 x 11 |
| Mounting | 36" tool-less rail |
| Warranty | 3 year warranty |
For further information please contact the Zstor Sales Team via e-mail:

