QSAN Flash Storage
XF5 Series

Uncompromising Performance for Mission-Critical Workloads​

Built for the most demanding enterprise applications, the XF5 NVMe block storage delivers extreme performance with ultra-low latency at 100 µs and massive throughput with PCIe Gen4 solution. Powered by the XEVO, XF5 is engineered for mission-critical workloads such as real-time analytics, financial systems, and AI inference. Its mirrored firmware architecture and overall redundant modular design ensure 99.9999%+ high availability and business continuity at scale.

Ultra-Fast Block Storage for Mission-Critical Operations

XF5 delivers exceptional block-level performance, purpose-built for high-intensity environments such as financial transactions and real-time data processing.

Powered by XEVO Fully Unleash Flash Performance​

Integrated with XEVO QSAN originated block storage management, XF5 maximizes NVMe flash capabilities, ideal for AI inference, HPC, and data-intensive workloads.

Industry-leading 99.9999%+ Availability

With the mirrored firmware architecture and a fully modular redundant architecture, XF5 ensure nonstop service availability around the clock

Unlock More QSAN Success

Experience the data storage revolution with QSAN – your secure, tailored solution for global storage optimization and competitive success.

System Specification

Model Name	XF5226D-12C	XF5226S-12C
Architecture	Dual-active controller	Single-upgradable controller
CPU
Processor	Intel® Xeon® 12-core x 2	Intel® Xeon® 12-core
Memory
Memory Module Pre-installed	32 GB DDR4 DIMM	16 GB DDR4 DIMM
Total Memory Slots	16	8
Memory Expandable up to	2,048 GB	1,024 GB
Storage
Drive Bays	2.5″ Slot x 26
Maximum Drive Bays with Expansion Unit	650
Compatible Drive Type	2.5″ dual-port U.2 NVMe SSD (for internal & JBOF) 2.5″ SAS SSD (for SAS JBOD) 3.5″ SAS HDD (for SAS JBOD)	2.5″ single-port U.2 NVMe SSD (for internal & JBOF) 2.5″ SAS SSD (for SAS JBOD) 3.5″ SAS HDD (for SAS JBOD)
Drive Interface	U.2 NVMe (PCIe Gen 4) SAS 12 Gb/s (for SAS JBOD)
Maximum Internal Raw Capacity	1,597 TB
Maximum Raw Capacity with Expansion	23,961 TB
Hot Swappable Drive	Yes
Connectivity Port
PCIe Expansion	(Gen 4×8 Slot) x 4	(Gen 4×8 Slot) x 2
2.5 GbE RJ45 LAN Port	2 (onboard management port)	1 (onboard management port)
10 GbE SFP+ LAN Port	2 (option) / 4 (option)
10 GbE RJ45 LAN Port	2 (option) / 4 (option)
25 GbE SFP28 LAN Port	8 (onboard) / 2 (option) / 4 (option)	4 (onboard) / 2 (option) / 4 (option)
100 GbE QSFP LAN Port	2 (option)
16 Gb SFP+ Fibre Channel	2 (option) / 4 (option)
32 Gb SFP28 Fibre Channel	2 (option) / 4 (option)
Expansion and External Port
12 Gb/s SAS Wide Port to SAS JBOD	4 (onboard)	2 (onboard)
10 / 25 / 100 GbE LAN Port to JBOF	Up to 4 JBOF
USB Port	1 (front) / 2 (rear)	1 (front) / 1 (rear)
Others	Console Port x 2, Service Port x 2	Console Port x 1, Service Port x 1
Software Specification
Storage OS	XEVO 3
RAID Type	0 / 1 / 5 / 6 / 10 / 50 / 60 / 5EE / 6EE / 50EE / 60EE
Storage Efficiency	Thin provisioning / Compression and Deduplication (option)
Software Acceleration	SSD Cache / Auto tiering / RDMA
Data Protection	Snapshot / Asynchronous / Synchronous (option)
Security	SSL / SSH / iSCSI CHAP / ISE & SED
Support Protocols	iSCSI / FCP / NVMe-oF
Management	Web UI / RESTful API / S.E.S. / LCM
Appearance
Dimension (H x W x D) (mm)	88 x 438 x 573
Net Weight (kg)	19.6	16.5
Gross Weight (kg)	28.6	25.5
Others
Memory Protection	Cache-to-Flash Module (built-in)
System Fan	8 pcs	4 pcs
Power Supply Unit	850 W x 2 (80 Plus Platinum)
Power Input	100 – 240 VAC, 50/60 Hz
Power Consumption	812 W / 2,770 BTU
Certification	CE / FCC / BSMI
Standard Warranty	System: 5 years Cache-to-Flash Module: 1 year