Brand: Dell EMC | Category: Storage Systems
SKU: DELL-405AAYV | Part #: 405-AAYV | MPN: 405-AAYV
Contact for Pricing — Request a Quote
The Dell EMC PowerEdge RAID Controller H755 is a next-generation RAID adapter engineered for 3rd Gen Intel Xeon Scalable and AMD EPYC 7003-series processors, providing PCIe 4.0 connectivity with sustained throughput exceeding 14 GB/s. The controller integrates a 4GB persistent write-back cache with battery-backed or supercapacitor-based cache vault technology, enabling safe asynchronous I/O operations and recovery guarantees during power events. Architecture supports mixed SAS/SATA/NVMe drive configurations with tiered caching strategies optimized for both sequential streaming and random access patterns.
The H755 addresses enterprise storage refresh cycles requiring elevated IOPS and latency reduction for virtualization, database acceleration, and analytics workloads. Native NVMe support via internal M.2 slots provides ultra-low-latency cache storage separate from main disk arrays, eliminating conventional bottlenecks in RAID rebuild times and cache coherency. Hardware-accelerated RAID processing offloads computational burden from CPU, preserving processor cycles for application workloads while maintaining consistent performance under sustained load.
Notable engineering includes active/active controller configurations for non-disruptive failover, advanced predictive analytics for disk health monitoring, and RAID 0/1/5/6/10/50/60 algorithm support with configurable strip sizing. The controller ships with firmware-enabled snapshots, rapid recovery options, and integrated management through Redfish APIs compatible with industry-standard orchestration platforms.
| Manufacturer | Dell EMC |
| Model | PowerEdge RAID Controller H755 |
| Form Factor | PCIe Gen4 x16 half-length adapter card |
| PCIe Generation | PCIe 4.0 |
| Maximum Throughput | 14+ GB/s sustained |
| Cache Memory | 4 GB DDR4 DRAM with battery-backed vault |
| Cache Vault Technology | Supercapacitor-based persistent write-back protection |
| Supported RAID Levels | RAID 0, 1, 5, 6, 10, 50, 60 |
| Drive Connectivity | 8x SAS/SATA ports + 2x internal NVMe M.2 slots |
| Maximum Drives Supported | 128 physical drives per controller |
| Drive Types | SAS 12Gb/s, SATA 6Gb/s, NVMe SSD |
| RAID Stripe Block Sizes | 64 KB to 1 MB configurable |
| RAID Rebuild Time | Sub-hour rebuild on 18TB+ drives with accelerated algorithms |
| Fault Tolerance | Dual-controller hot-standby with non-disruptive failover |
| Memory Interface | DDR4-3200 RDIMM |
| Processor Compatibility | 3rd Gen Intel Xeon Scalable, AMD EPYC 7003-series |
| Management Interface | Redfish REST API, IPMI, Intelligent Platform Management |
| Firmware Provisioning | Field-upgradeable via iDRAC or Dell EMC OpenManage Enterprise |
| Operating Temperature | 0–60°C |
| Power Consumption | 25W typical, 35W peak |
| Launch Timeline | Q3 2022 |
Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.
| Brand | Dell EMC |
| Category | Storage Systems |
| SKU | DELL-405AAYV |
| Part Number | 405-AAYV |
| Condition | New |
| Model | PowerEdge RAID Controller H755 |
| Form Factor | PCIe Gen4 x16 half-length adapter card |
| PCIe Generation | PCIe 4.0 |
| Maximum Throughput | 14+ GB/s sustained |
| Cache Memory | 4 GB DDR4 DRAM with battery-backed vault |
| Cache Vault Technology | Supercapacitor-based persistent write-back protection |
| Supported RAID Levels | RAID 0, 1, 5, 6, 10, 50, 60 |
| Drive Connectivity | 8x SAS/SATA ports + 2x internal NVMe M.2 slots |
| Maximum Drives Supported | 128 physical drives per controller |
| Drive Types | SAS 12Gb/s, SATA 6Gb/s, NVMe SSD |
| RAID Stripe Block Sizes | 64 KB to 1 MB configurable |
| RAID Rebuild Time | Sub-hour rebuild on 18TB+ drives with accelerated algorithms |
| Fault Tolerance | Dual-controller hot-standby with non-disruptive failover |
| Memory Interface | DDR4-3200 RDIMM |
| Processor Compatibility | 3rd Gen Intel Xeon Scalable, AMD EPYC 7003-series |
| Management Interface | Redfish REST API, IPMI, Intelligent Platform Management |
| Firmware Provisioning | Field-upgradeable via iDRAC or Dell EMC OpenManage Enterprise |
| Operating Temperature | 0–60°C |
| Power Consumption | 25W typical, 35W peak |
| Launch Timeline | Q3 2022 |
the Dell EMC PowerEdge RAID Controller H755 PCIe Gen4 suits enterprise data-center storage tiers — all-flash arrays, hyperconverged storage pools (vSAN, Ceph), database backends, and high-throughput backup repositories. It is supported by major server platforms.
Key specifications for the Dell EMC PowerEdge RAID Controller H755 PCIe Gen4: new condition; manufacturer Dell EMC; model PowerEdge RAID Controller H755; form factor PCIe Gen4 x16 half-length adapter card; pcie generation PCIe 4.0; maximum throughput 14+ GB/s sustained; cache memory 4 GB DDR4 DRAM with battery-backed vault. Manufacturer part number 405-AAYV. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.