HPE P58335-B21 MR408i-o Gen11 x8 Lanes 4GB Cache OCP SPDM Storage Controller
SKU P58335-B21
HPE P58335-B21 MR408i-o Gen11 x8 Lanes 4GB Cache OCP SPDM Storage Controller for compatible HPE ProLiant Gen11 servers. Ideal for internal storage, RAID configurations, server builds, repairs and spare stock.

ex VAT · UK trade-direct
£598.80 inc VAT
- 4 UK business-hour response target
- SKU and supplier recorded
- UK and EU shipping
Before you order
- Compatibility checked
- We check the server vendor, region, edition and core count where relevant.
- Quote you can forward
- Each line shows price, availability, lead time and supplier caveats.
- Order record
- We record the exact SKU and supplier against the order.
Need bulk pricing or a custom configuration? Get a quote
ex VAT · UK trade-direct
£598.80 inc VAT
- 4 UK business-hour response target
- SKU and supplier recorded
- UK and EU shipping
Before you order
- Compatibility checked
- We check the server vendor, region, edition and core count where relevant.
- Quote you can forward
- Each line shows price, availability, lead time and supplier caveats.
- Order record
- We record the exact SKU and supplier against the order.
Need bulk pricing or a custom configuration? Get a quote
Overview
What's included.
HPE P58335-B21 MR408i-o Gen11 x8 Lanes 4GB Cache OCP SPDM Storage Controller
The HPE P58335-B21 MR408i-o is a Gen11 storage controller designed for compatible HPE ProLiant servers. It provides reliable internal storage control for server builds, upgrades and replacement requirements, supporting high-performance storage configurations in business and datacentre environments. The MR408i-o is an OCP storage controller with x8 lanes, 4GB cache and SPDM security support, making it a strong option for HPE Gen11 server configurations that need dependable RAID/storage management.
Key Features HPE part number: P58335-B21 Model: HPE MR408i-o Gen11 Controller type: Storage / RAID controller Interface: OCP Host lanes: x8 lanes Cache: 4GB Security: SPDM support Designed for compatible HPE ProLiant Gen11 servers Suitable for internal server storage configurations
Ideal for server builds, upgrades, repairs and spare stock
Product Overview The HPE MR408i-o Gen11 Storage Controller is used to manage internal storage in compatible HPE ProLiant servers. It is commonly selected for servers running business applications, virtualisation, backup workloads, file services and general infrastructure workloads where stable and efficient storage control is required.
This controller is a popular run-rate part for HPE ProLiant Gen11 environments because it is used in many standard server configurations and is often required when building or repairing storage-ready systems.
Ready when you are
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Tell us what you need — HPE ROK, DDR5 modules, Oracle licences, or a full server build — and we aim to respond within 4 UK business hours.
HPE P58335-B21 MR408i-o Gen11 x8 Lanes 4GB Cache OCP SPDM Storage Controller
£499.00 ex VAT


