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P04521-B21
P04521-B21 HPE 3.84TB SAS 12G Read Intensive SFF (2.5in) SC Digitally Signed Firmware SSD
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P04521-B21 HPE 3.84TB SAS 12G Read Intensive SFF (2.5in) SC Digitally Signed Firmware SSD
- Estimated Release:
- 2018
- Form Factor:
- SFF (2.5 inch)
- Form Factor/Carrier Type:
- SFF / Smart Carrier (SC)
- Hotplug Carrier Type:
- Smart Carrier (SC)
- SSD Data Transfer Rate:
- 12 Gb/sec (12G)
- SSD Interface:
- SAS (12G/24G)
- SSD Storage Capacity:
- 3.84 TB
- SSD Workload Type:
- Read Intensive
- Collection:
- HPE Server SSD
- Collection URL:
- /hpe-server-ssd.htm
Product Overview
This item, P04521-B21, is the HPE option part number for the product described as 3.84TB SAS 12G Read Intensive SFF (2.5in) SC Digitally Signed Firmware SSD. Further details below.
Upgrade your server capabilities with the HPE 3.84TB SAS 12G Read Intensive SSD (P04521-B21). This high-performance drive offers a 1.2 GBps transfer rate and digitally signed firmware for enhanced security. Compatible with a wide range of HPE servers, including Gen8 to Gen10 models, it ensures robust performance and reliability. Designed for read-intensive workloads, benefit from 110,000 IOPS for 4KB random reads and a substantial 7008 TB SSD endurance, making it an ideal choice for businesses seeking efficiency and durability.
HPE Option Part #: P04521-B21
HPE Spare Part #: P06598-001
HPE Model #: VO003840JWTBN
HPE Assembly Part #: P04549-003
PRODUCT SPECIFICATIONS FOR P04521-B21:
- Device Type: Solid state drive - hot-swap
- Capacity: 3.84 TB
- NAND Flash Memory Type: Multi-level cell (MLC)
- Form Factor: 2.5" SFF
- Interface: SAS 12Gb/s
- Features: Digitally Signed Firmware
- Height: 0.6 in
- Bundled with: HPE Smart Carrier
- Drive Writes Per Day (DWPD): 1
- SSD Endurance: 7008 TB
- Drive Class: Read Intensive
- Drive Transfer Rate: 1.2 GBps (external)
- Internal Data Rate: 1075 MBps (read) / 1030 MBps (write)
- 4KB Random Read: 110000 IOPS
- 4KB Random Write: 54000 IOPS
- Maximum 4KB Random Write: 54000 IOPS
- Maximum 4KB Random Read: 165000 IOPS
- Interfaces: 1 x SAS 12 Gb/s
- Compatible Bay: 2.5" SFF
- Power Consumption: 8.56 Watt (maximum) | 6.17 Watt (random read) | 6.17 Watt (random write) | 8.56 Watt (sequential read) | 8.56 Watt (sequential write) | 5.9 Watt (random read/write)
COMPATIBLE WITH:
PROLIANT DL SERIES
DL320e Gen8DL320e Gen8 v2DL360e Gen8DL360p Gen8DL380e Gen8DL380p Gen8DL385p Gen8DL560 Gen8DL580 Gen8DL160 Gen8DL20 Gen9DL60 Gen9DL80 Gen9DL120 Gen9DL160 Gen9DL180 Gen9DL360 Gen9DL380 Gen9DL388 Gen9DL560 Gen9DL580 Gen9DL20 Gen10DL160 Gen10DL180 Gen10DL325 Gen10DL360 Gen10DL380 Gen10DL385 Gen10DL560 Gen10DL580 Gen10DL325 Gen10 Plus v1DL385 Gen10 Plus v1
PROLIANT ML SERIES
PROLIANT BL SERIES
PROLIANT WS SERIES
PROLIANT SL SERIES
PROLIANT XL SERIES
PROLIANT SYNERGY SERIES
Synergy 480 Gen9Synergy 480 Gen10Synergy 660 Gen9Synergy 660 Gen10
** This list may not be complete. Contact us via Live Chat if you have any questions about compatibility.
FREQUENTLY ASKED QUESTIONS FOR P04521-B21:
- What is the capacity and type of P04521-B21?
The P04521-B21 is a 3.84TB SAS 12G Read Intensive SFF (2.5in) SSD with multi-level cell (MLC) NAND flash memory. - Can P04521-B21 be used with Gen9 and Gen10 servers?
Yes, the P04521-B21 is compatible with a wide range of HPE servers, including DL360 Gen9 and DL380 Gen10, among others. - What are the power consumption specifications for P04521-B21?
The P04521-B21 consumes a maximum of 8.56 Watts during sequential operations and 6.17 Watts during random read/write processes.
HPE PARTSURFER INFO FOR P04521-B21
| Spare PN | Description | |
|---|---|---|
 | P06598-001 | 3.84TB SAS Solid State Drive (SSD) - 2.5-inch Small Form Factor (SFF), Read Intensive (RI), Digitally Signed Firmware (DS), Smart Carrier (SC) |
Last Updated: 2026-06-24
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- Trusted by thousands. Over 36,000 customers in 100+ countries trust Global One Technology to deliver mission-critical HP Enterprise hardware - including Fortune 500 businesses, schools, hospitals, and federal, state, and local goverment agencies.
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Additional Info
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Warranty/Returns
This product is warrantied against hardware failure for a period of 3 Years from the date of purchase. Before making a purchase, please take a moment to review our return policy below.
Returns
It is the customer's responsibility to verify compatibility with their machine(s) before placing an order. If an item is ordered by mistake, it can be returned for refund, minus a 25% restocking fee, within 5 business days of receipt. The cost of freight is not refundable.
Please be aware that factory-sealed equipment can only be returned if it remains unopened.
Defective Products
If you have received a defective part and your machine is still within the HPE warranty period, please initiate a warranty exchange by visiting the HPE Enterprise Support Center. Be sure to have the serial numbers of the defective drive and your server/storage array handy.
In case your hardware becomes defective during the Global One warranty period, but the HPE warranty has expired, you can return the product to us for a working replacement. You are responsible for the shipment of returned merchandise. However, we will cover the expense of Ground /Economy shipment for the replacement item(s).
Requesting an RMA
To initiate a return or warranty claim, please complete and submit the RMA Request Form.
