# HDD cage HP for Hewlett Packard Enterprise ProLiant ML350 G9 SFF, 8-bay hot-swap drive bay assembly

**URL:** https://aio.lv/en/product--hp-778157-b21-rfb--3209122
**Data updated:** 2026-01-12 19:30 (EET)
**Category:** Other Repair Parts
**Manufacturer:** HP
**Manufacturer code:** 778157-B21-RFB
**EAN:** 5706998932143
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 105.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 87.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-778157-b21-rfb--3209122

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Replacement HDD cage compatible with HP / Hewlett Packard Enterprise ProLiant ML350 G9 SFF. This 8-bay drive bay assembly accepts eight small form factor (SFF) hot-swap drives and provides mounting, alignment and connection support for server storage. Designed for maintenance, upgrades or repairs to restore drive capacity and secure drive installation in rack or tower servers.

## Long description

Replacement HDD cage compatible with HP / Hewlett Packard Enterprise ProLiant ML350 G9 SFF. The 8-bay hot-swap drive bay assembly accepts eight small form factor (SFF) drives and provides mechanical mounting, alignment and electrical connection support required for server storage modules. Intended as a like-for-like part for maintenance, upgrades or repairs, this HDD cage restores drive capacity and secure installation in rack or tower configurations of the ProLiant ML350 G9 SFF platform.
Advantages
This HDD cage is manufactured to match the original HP ProLiant ML350 G9 SFF mounting and connector geometry, ensuring compatibility with backplanes and drive carriers designed for the platform. The assembly supports hot-swap operation for minimal downtime, maintains proper drive alignment for cooling and vibration control, and simplifies replacement procedures during service. Using a direct-fit replacement reduces configuration time and helps preserve RAID and controller connections when drives are reinstalled.
Suitable for
Replacing a damaged or missing drive cage in HP ProLiant ML350 G9 SFF servers
Restoring full 8-bay SFF hot-swap drive capacity during server repair or refurbishment
Upgrading server storage layout while maintaining compatibility with existing backplanes and trays
Data center maintenance tasks requiring rapid drive replacement and hot-swap support
Key specifications
Brand: HP (Hewlett Packard Enterprise)
Model compatibility: ProLiant ML350 G9 SFF
Form factor: Small Form Factor (SFF)
Bays: 8 hot-swap drive bays
Manufacturer part number (MPN): 778157-B21-RFB
EAN: 5706998932143
Function: Mechanical drive cage / drive bay assembly for mounting, alignment and connection
How to use
Power down the server and follow HP service manual instructions for removing the front panel or existing drive cage if present. Disconnect any necessary cables and unlatch retaining fasteners before withdrawing the defective assembly. Position the replacement HDD cage into the chassis, align it with the internal backplane and secure mounting points, then reconnect any cables or connectors. Reinstall SFF drive carriers or drives into the hot-swap bays and verify that the server recognizes drives through the system BIOS or storage controller. Follow standard safety procedures for ESD protection and powered components throughout the operation.
Usage recommendations
Use original-compatible drive carriers and ensure firmware and controller settings are preserved when replacing the cage. Validate drive bay LEDs and backplane connections after installation, and perform a controlled system boot to confirm RAID arrays or disk assignments remain intact. For deployments in production environments, schedule replacement during maintenance windows to avoid service interruption.

## FAQ

### How much does the HDD cage HP ML350 G9 SFF 8-bay cost, and is it available for purchase?

The price is 105.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All HP products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized HP service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/3209122/66009743_large.webp