P19045-H21 - HP 64GB DDR4-2933 MHz PC4-23466 ECC Registered CL21 288-Pin RDIMM 1.2V Memory Module

P19045-H21 - HP 64GB DDR4-2933 MHz PC4-23466 ECC Registered CL21 288-Pin RDIMM 1.2V Memory Module

SKU: P19045-H21 Brand: HP Category: Storage Devices
$603.78 In Stock — Ships Today

About the P19045-H21

Sourced for enterprise IT teams managing HP / HPE ProLiant DL360, DL380, ML350 and BL series platforms, the HP P19045-H21 (P19045-H21 - HP 64GB DDR4-2933 MHz PC4-23466 ECC Registered CL21 288-Pin RDIMM 1.2V Memory Module) is a Storage Devices component matched to OEM specifications. Each unit is verified against manufacturer datasheet revisions and is appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include capacity of 64 GB, memory type of DDR4, frequency of 2933 MHz, pc standard of PC4-23466, connector of 288-pin, voltage of 1.2V, memory class of ECC, Registered. Appropriate for OS boot tier (Windows Server, RHEL, Ubuntu Server, ESXi), application data tier, database log volumes, and tier-2 capacity in mixed-storage clusters. Our procurement team maintains active inventory of the P19045-H21 and verifies condition, firmware revision, and OEM part-number registry alignment for each unit prior to sale. Stocked units ship same-day on in-stock orders placed before 3pm ET. Pro Disk Network applies a 30-day functional warranty and accepts Net 30 / Net 60 terms for qualified business accounts. Free US ground shipping on orders over $150; same-day expedited (UPS Next Day Air, FedEx Priority) available at checkout.

Specifications

Part Identification

Technical Specifications

  • Capacity

    64 GB

    Verified specification
    Source: manufacturer datasheet
  • Memory Type

    DDR4

  • Frequency

    2933 MHz

  • PC Standard

    PC4-23466

  • Connector

    288-pin

  • Voltage

    1.2V

  • Memory Class

    ECC, Registered

Order & Fulfillment Details

  • Condition

    New / Certified Refurbished

    Quality Tier
    Each refurb unit tested + functional warranty
  • Warranty

    30-Day Pro Disk Network Guarantee

    Coverage
    Return for full refund within 30 days of delivery
  • Shipping

    Free over $150 — Same-Day Dispatch

    Cutoff
    Orders placed before 3pm ET
  • Returns

    30-Day Free Returns — US

    Return Window
    Original packaging required
Part Number / MPNP19045-H21
ManufacturerHP
CategoryStorage Devices
Capacity64 GB
Memory TypeDDR4
Frequency2933 MHz
PC StandardPC4-23466
Connector288-pin
Voltage1.2V
Memory ClassECC, Registered
ConditionNew / Certified Refurbished
Warranty30-Day Pro Disk Network Guarantee
ShippingFree over $150 — Same-Day Dispatch
Returns30-Day Free Returns — US

Summary

The P19045-H21 is a HP storage devices component with capacity 64 GB, memory type DDR4, frequency 2933 MHz. Pro Disk Network sells the P19045-H21 for $603.78 with same-day US shipping and a 30-day free return guarantee.

Trust Signals

  • Florida-Registered LLC — 7345 W Sand Lake Rd, Orlando FL 32819
  • Same-Day US Shipping — orders before 3pm ET ship today via FedEx/UPS
  • 30-Day Free Returns — pre-paid label included on all US orders
  • Net 30 Available — for verified business buyers
  • 2,000+ B2B Customers — MSPs, government, education, enterprise IT

Quick Answer: Will the P19045-H21 work with my RAID controller?

The P19045-H21 operates with any standard SAS/SATA/NVMe-compatible RAID controller (Dell PERC, HPE Smart Array, LSI/Broadcom MegaRAID, Adaptec, IBM ServeRAID, Lenovo ThinkSystem RAID). Mixing this drive in the same RAID volume with drives of different speed/capacity is supported but never recommended.

How fast does the P19045-H21 ship?

Pro Disk Network dispatches the P19045-H21 same-day on orders confirmed before 2 pm ET. Multi-pallet projects requiring crating ship within 2 business days. International shipping (Canada, Mexico, EU, APAC) takes 3-7 business days via DHL Express or FedEx International Priority.

Email engineering for a compatibility check ›

Common Use Cases for P19045-H21

The P19045-H21 is deployed by US enterprises, MSPs, government, and education customers across multiple infrastructure scenarios. Below are the most common deployment patterns Pro Disk Network sees in real-world orders.

  • Splunk Warm/Cold Tier — Appropriate for Splunk warm/cold/frozen indexes where ingest write rates are below 200 MB/s per node. Avoid for hot-tier indexes — use NVMe instead.
  • File Server / SMB Shares — General-purpose Windows Server / Samba shares for departmental file storage. RAID 5 for capacity, RAID 10 for IOPS-sensitive workloads.
  • Object Storage (Ceph / MinIO) — JBOD presentation behind Ceph OSDs or MinIO erasure-coded pools. Mix with NVMe metadata drives for production object stores.

New, Bulk, or Refurbished — Choosing Your Tier

Pro Disk Network offers the P19045-H21 across three procurement tiers. Each tier is fully functional and warranted; the choice comes down to budget, warranty length, and whether the deployment is production-critical or capacity-expansion.

TierDiscount vs OEM ListWarrantyBest For
New (Sealed OEM)25–40%HP manufacturer warranty (1–5 yr)Production-critical first-tier
New (Bulk OEM)50–65%3-year Pro Disk Network warrantyNew cluster builds, secondary tier
Refurbished75–85%12-month advance replacementCapacity expansion, lab, dev/test, EOL refresh

Bulk & Volume Pricing for P19045-H21

Ships from our Orlando, FL warehouse — same-day US dispatch on orders placed before 2pm ET. Net 30 terms available for verified businesses, government and education.

Volume discounts on the P19045-H21 are automatic at checkout. Net 30 terms available for verified businesses, government, and education. Email sales@prodisknetwork.com for orders above 100 units.

QuantityDiscountUnit Price
10%$603.78
5+4%$579.63
10+8%$555.48
25+13%$525.29
50+18%$495.10
100+23%$464.91

What is the P19045-H21?

The P19045-H21 is a HP enterprise-grade hard drive with capacity 64 GB and memory type DDR4, manufactured by HP. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with same-day dispatch on orders placed before 3 PM ET, backed by a 30-day return guarantee.

Pros & Cons of P19045-H21

Pros

  • Same-day US shipping from Orlando warehouse
  • OEM-grade firmware preinstalled
  • Compatible with major hyperscale chassis (HP, Dell, IBM, Cisco)

Cons

  • Not recommended for OLTP databases above 50 TPS
  • Mechanical drive — expect 5–10W idle power per unit
  • 3.5" form factor only — confirm caddy fit before ordering

Frequently Asked Questions about P19045-H21

Is the P19045-H21 a genuine HP part?
Yes. Pro Disk Network sources every P19045-H21 as factory-original HP inventory verified against the manufacturer parts registry before listing. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned HP servers, surface-tested, and re-warranted by Pro Disk Network for 12 months.
Will the P19045-H21 work with my RAID controller?
The P19045-H21 operates with any standard SAS/SATA/NVMe-compatible RAID controller (Dell PERC, HPE Smart Array, LSI/Broadcom MegaRAID, Adaptec, IBM ServeRAID, Lenovo ThinkSystem RAID). Mixing this drive in the same RAID volume with drives of different speed/capacity is supported but never recommended.
How fast does the P19045-H21 ship?
Pro Disk Network dispatches the P19045-H21 same-day on orders confirmed before 2 pm ET. Multi-pallet projects requiring crating ship within 2 business days. International shipping (Canada, Mexico, EU, APAC) takes 3-7 business days via DHL Express or FedEx International Priority.
What is the warranty on the P19045-H21?
New P19045-H21 units carry the full HP manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (12 months refurbished, 36 months new bulk). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the P19045-H21?
Yes. Pro Disk Network offers automatic volume discounts at 10, 25, 50, and 100+ unit tiers. Net 30 terms are available for verified businesses, government, and education buyers. Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.

Similar Products

From the Same Series as P19045-H21

Other parts that share the P19045 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.

  • P19045-B21 — P19045-B21 - HP 64GB DDR4-2933 MHz PC4-23466 ECC Registered CL21 288-Pin RDIMM 1.2V Memory Module — $605.26
  • P19045-K21 — P19045-K21 - HP 64GB DDR4-2933 MHz PC4-23466 ECC Registered CL21 288-Pin RDIMM 1.2V Memory Module — $1,181.05

Pro Disk Network Buyer’s Guide: Storage Devices

How to Pick the Right Drive Capacity for Your Use Case

If the P19045-H21 is going into a RAID array, choose RAID 6 over RAID 5 for any capacity tier built from drives larger than 4 TB. The probability of a second drive failing during rebuild from a 6+ TB rebuild window is high enough that single-parity is no longer responsible. For all-flash arrays, RAID 10 still wins on write-amplification-sensitive workloads (OLTP databases, VDI write-cache).

Drive Health Monitoring: SMART, Workload Rating, and Predictive Failure

Once the P19045-H21 is in production, the single most impactful operational practice is SMART monitoring tied to your existing alerting stack. SMART attributes 187 (reported uncorrectable errors), 197 (current pending sector count), and 198 (offline uncorrectable sector count) are the leading indicators of impending drive failure. Alert on non-zero values, not just on absolute thresholds; once these attributes leave zero, the drive has typically 30-90 days of useful life remaining.

Part of

Server Memory Hub

View all 69 pages →

RDIMM, LRDIMM, UDIMM, ECC, DDR4 + DDR5 modules for HP, Dell, Lenovo, Supermicro and Cisco servers.