Product Overview The 2241-4IR-2U is a PCIe 3.0 x8-to-4-port U.2 NVMe array card developed based on Marvell 88NR2241 controller. Supporting PCIe 3.0 x8 interfaces, it delivers up to 8GB/s bandwidth to ensure high-efficiency data transfer with low latency, fully meeting high-speed storage requirements. Utilizing the NVMe protocol, this card outperforms traditional SATA interfaces with lower latency and higher bandwidth, significantly enhancing storage performance. It supports multiple RAID modes including RAID 0, RAID 1, JBOD, and RAID 10, allowing users to flexibly select RAID levels for efficient data backup and multi-layer protection mechanisms. The 4-port U.2 interface supports parallel connection of up to 4 NVMe storage devices, enabling flexible configuration of diverse storage solutions with massive capacity and exceptional data transfer rates. Featuring hot-swappable design and compatibility with mainstream operating systems and server platforms, it offers high scalability to meet various application scenarios. 2241-4IR-2U provides users with a stable and secure data storage environment with flexible deployment options. It can be used in data centers, servers, workstations, and other scenarios to meet the storage needs of different users. Key Features Complies with the PCIe 3.0 basic specification; Supports NVMe protocol; Supports RAID 0, RAID 1, JBOD, and RAID 10; Supports up to four physical SSDs Operating system Windows 10 /11 Windows Server 2019 /2022 RHEL/Centos7.6 /7.9 /8.2 /8.3 Deepin 15.11 /20 /20.6 /20.9 Ubuntu 18.04.5 /20.04.1/22.04.3 SUSE 12.5/15 SP4 VMwre ESXi 6.5/6.7/7.0 ZTE New Pivot 3.2.2/5.0.5 Hongqiao Anxu OS V7.0 Galaxy K10  Zhongke Fangde Desktop Operating System 4.0  Zhongke Fangde Server Operating System Yiming Operating System Open Source Kirin 0.7.5 Work environm ent Operating ambient temperature 5 ℃ to 50 ℃(41 ℉ to -122 ℉) Storage temperat ure -25 ℃ to -70 ℃ (-13 ℉ to -158 ℉) Storage temperat ure 90% non-condensable relative humidity at 35℃ Physical characte ristics PCB size (unit: mm) 147.5*68.9*1.6 Package size (unit: mm) 222*147*28 Packaging details Packing list 1 PCI Express NVMe array card 1 -Half-height panel 1 -Full-height panel (installed)