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item | RAID Controller H755 |
Device Interface | Sixteen (16) PHY SAS/SATA/PCIe Interface |
Form Factor | PCIe Adapter Card (HHHL) and Custom ‘Front’ form factors |
Connectors | Two SlimSAS x8 (SFF-8654 Series) |
Device support | 8 NVMe Devices (x2 connections) 32 SAS/SATA Devices (PowerEdge Server Largest Drive Configuration) |
Host bus type | 8-lane, PCI Express 4 compliant |
Data transfer rates | Up to 12Gb/s per phy/port (SAS) |
SAS controller | LSI SAS3916 Dual Core ARM A15 Processor - ROC (RAID-On-Chip) |
Cache memory | 1MB Shared L2 Cache. 6MB On Chip Memory |
Key RAID & data protection features | RAID levels 0, 1, 5, 6 RAID spans 10, 50, 60 Online Capacity Expansion (OCE) Online RAID Level Migration (RLM) Auto resume after power loss during array rebuild or
reconstruction/RLM Consistency Check for background data integrity
Physical disk power management (Dimmer Switch™) 4K native sector support NVRAM “Wipe” feature- protects proprietary data once card is
decommissioned SED drive support Load balancing Fast initialization for quick array setup Configurable stripe size up to 1MB Patrol read for media scanning and repair Up to 64 Virtual Drives DDF compliant Configuration on Disk (COD) S.M.A.R.T. support Global and dedicated hot spare with revertible hot-spare Support, automatic rebuild, enclosure affinity, emergency SATA
TRIM/UNMAP support for SSDs in Pass-Thru Mode |
RAID management | Dell OpenManage™ Server Administrator/Storage Services iDRAC9 PERC CLI Additional management: UEFI (HII) CEM |
Operating temperature | Maximum ambient temperature: 60°C |
Operating voltage | +3.3V, +12V and +3.3V_Aux |
Optional SSD Optimization | Dell FastPath™ firmware feature: delivers high IOPs performance on
SSD arrays. See User’s Guide for details |
Operating systems | 3Gbps SATA,6Gbps SATA/SAS,12Gbps SAS Gen3 (8 GT/s) |
PCIe support | Citrix® XenServer® Microsoft Windows Server® with Hyper-V Red Hat® Enterprise Linux Ubuntu Server SUSE® Linux Enterprise Server VMware® ESXi |
Supports hot swappable devices | yes |