# HDD Hewlett Packard Enterprise 4TB 2.5 inch SAS 861748-B21-RFB

**URL:** https://aio.lv/en/product--hp-enterprise-861748-b21-rfb--11378611
**Data updated:** 2026-01-12 19:34 (EET)
**Category:** Hard Disk Drives (HDD)
**Manufacturer:** HP Enterprise
**Manufacturer code:** 861748-B21-RFB
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 122.99 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 101.64 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-enterprise-861748-b21-rfb--11378611

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

The Hewlett Packard Enterprise 4TB SAS HDD offers high performance and reliability for enterprise storage solutions. With a 2.5-inch form factor, it is designed for optimal space efficiency in server environments. This drive features a Serial Attached SCSI interface, ensuring fast data transfer rates and improved data integrity. Ideal for data-intensive applications, it provides robust storage capacity and is compatible with various HP server models.

## Long description

The Hewlett Packard Enterprise 4TB 2.5 inch SAS 861748-B21-RFB is a high-capacity enterprise hard disk drive designed for server and storage systems that require reliable, high-throughput block storage. With a 2.5-inch form factor and a Serial Attached SCSI (SAS) interface, this HP Enterprise HDD targets data-intensive workloads, offering a balance of density and performance suitable for rack-mounted servers and storage arrays. The model number 861748-B21-RFB identifies this specific 4TB drive variant compatible with a range of HP server models.
Advantages
This HP Enterprise 4TB SAS HDD provides large usable capacity in a compact 2.5-inch form factor while using the SAS interface for sustained data transfer and improved error management compared to older parallel interfaces. The drive is engineered for enterprise use, focusing on durability and compatibility with HP server ecosystems, simplifying integration into existing systems. Its 4TB capacity helps consolidate datasets, reducing the number of drives required for a given storage pool.
Suitable for (tasks / use cases)
 High-capacity primary or secondary storage in enterprise servers and storage arrays
 Virtualization hosts and hyperconverged infrastructure requiring block-level storage
 Database and analytics workloads that need consistent sequential and random I/O
 Backup targets, archive systems, and cold or warm tiers within tiered storage
 Replacement or expansion drives for compatible HP server models
Key specifications
 Brand: HP Enterprise
 Model / MPN: 861748-B21-RFB
 Capacity: 4TB
 Form factor: 2.5 inch
 Interface: Serial Attached SCSI (SAS)
 Category: HDD
How to use
Install the HDD into a compatible HP server or storage enclosure following the hardware vendor's service manual for drive exchange and hot-swap procedures if available. Ensure the system is powered down or placed into the recommended service mode when required by the server platform, or use the enclosure's hot-swap bay if supported. After physical installation, verify the drive is recognized in the system BIOS/UEFI or storage controller management interface, then initialize, partition, and format the drive as appropriate for the operating system or RAID/storage configuration in use.
Usage recommendations
Use this drive in environments matched to its enterprise design: ensure proper cooling, monitor drive health through HP management tools, and include the drive within RAID or redundancy schemes appropriate for your availability requirements. Confirm compatibility with your specific HP server model and firmware levels before deployment.

## FAQ

### How much does the HDD Hewlett Packard Enterprise 4TB 861748-B21-RFB cost, and is it available for purchase?

The price is 122.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 17.07.2026 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 Enterprise 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 Enterprise 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

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