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For more than two decades and over a dozen generations, the HPE ProLiant DL380 has been the default 2U rack server — and one of the best-selling servers ever made. Here's its history, what kept it on top, and where to find parts for every generation.
Last updated: 2026
Few products in enterprise IT have the staying power of the HPE ProLiant DL380. Since its debut in 2000 it has run through more than a dozen generations, adapting to every major shift in server technology while keeping the reputation for performance and reliability that made it the world's best-selling 2U server. This is the story of how it got there — and, because we stock parts for every generation, where to keep yours running.
Where the DL380 came from
The ProLiant brand itself dates to 1993, when Compaq Computer Corporation introduced it to succeed its SystemPro line in the high-end x86 server market. The DL380 arrived a few years later: on January 31, 2000, Compaq launched the new ML (Modular Line) and DL (Density Line) families, and the ProLiant DL380 was the flagship of the rack-optimized DL series. That first-generation DL380 G1 ran dual Intel Pentium III processors and up to 4 GB of ECC memory — modest by today's standards, but a genuinely capable rack server for the era.
The DL380 has been in continuous production ever since. Along with its tower sibling the ML350, it's one of only two models from that original 2000 lineup that has been produced without interruption across every generation since — a span of more than 24 years. After Compaq merged with HP in 2002, the DL380 carried on under HP, and then under Hewlett Packard Enterprise (HPE) when HP split in 2015.
Evolution across the generations
What kept the DL380 relevant for a quarter-century is that each generation absorbed the era's defining technology — new processors, memory standards, I/O buses, and management. The major milestones:
| Milestone | Year | What it brought |
|---|---|---|
| ProLiant brand launched (Compaq) | 1993 | Industry-standard x86 servers, succeeding SystemPro |
| DL380 G1 — first DL-series rack server | 2000 | Dual Pentium III, up to 4 GB ECC, density-optimized design |
| DL380 Gen8 (DL380p / DL380e) | 2012 | iLO 4 management, Smart Array advances |
| DL380 Gen9 | 2014 | Intel Xeon E5 v3/v4 (Haswell/Broadwell), DDR4, UEFI |
| DL380 Gen10 | 2017 | Xeon Scalable, iLO 5, silicon root of trust security |
| DL380 Gen10 Plus | 2021 | 3rd Gen Xeon Scalable, PCIe Gen4 |
| DL380 Gen11 | 2022 | 4th/5th Gen Xeon Scalable, DDR5, PCIe Gen5, iLO 6, EDSFF |
| DL380 Gen12 | 2024 | Intel Xeon 6, up to 8 TB DDR5 (to 6400 MT/s), up to 36 EDSFF E3.S |
Between those headline generations came G2 through G7, each tracking the Intel Xeon roadmap of its day and steadily refining the 2U chassis that became the DL380's signature. For a detailed side-by-side of the two most common generations on the market today, see our comparison of HPE ProLiant Gen10 vs Gen11.
Why the DL380 endured: performance, reliability, scalability
Three qualities explain the DL380's staying power — and they're the same reasons it remains a smart buy on the refurbished market today.
Performance. The DL380 has consistently been a top performer for its class. HP's own materials described it as the world's largest-selling server, and across generations HPE has published leading benchmark results for it in virtualization, database, and general enterprise workloads. Its two-socket design has always balanced strong compute with practical 2U density.
Reliability. The DL380 was built for uptime from the start, with redundant hot-plug power supplies and fans, hot-swappable drives, and Advanced ECC memory. Later generations added HPE's silicon root of trust (from Gen10), anchoring firmware security in hardware. These are the features that let organizations run the DL380 in environments where downtime isn't an option.
Scalability. A modular design has always let the DL380 be configured for the job — from a modest single-processor build to a dual-socket, high-memory, storage-dense system — and expanded over time as needs grew. That flexibility is why it fits everything from a small business's first rack server to a large enterprise fleet.
The DL380 today
The current DL380 is a very different machine from that Pentium III original. The DL380 Gen11 runs 4th and 5th Gen Intel Xeon Scalable processors with DDR5 memory up to 8 TB, PCIe Gen5, and EDSFF E3.S NVMe storage; the DL380 Gen12 moves to Intel Xeon 6 with DDR5 up to 6400 MT/s and as many as 36 EDSFF E3.S NVMe drives. For a deep dive on how far the memory subsystem has come, see our guide to the memory capabilities of the DL380 Gen11. Yet the through-line holds: it's still the versatile 2U workhorse it has always been, now handling virtualization, databases, analytics, and AI-adjacent workloads.
Parts for every DL380 generation
Whether you're maintaining a current Gen12 or keeping a legacy G-series server alive, we stock parts — drives, memory, power supplies, controllers, and more — for every generation of the DL380:
- DL380 Gen12 parts
- DL380 Gen11 parts
- DL380 Gen10 Plus parts
- DL380 Gen10 parts
- DL380 Gen9 parts
- DL380p Gen8 parts and DL380e Gen8 parts
- DL380 G7 parts
- DL380 G6 parts
- DL380 G5 parts
- DL380 G4 parts, G3, G2, and G1
Not sure which generation you have, or which part you need? Contact us with your server's serial number and we'll identify the right components. You can also browse the full catalog by model on the HPE parts by server model page.
Frequently asked questions
When was the HPE ProLiant DL380 first introduced?
The ProLiant DL380 was introduced on January 31, 2000, by Compaq, as the flagship of the new DL (Density Line) rack-server family. The broader ProLiant brand is older, dating to 1993, but the DL380 model specifically debuted in 2000 and has been produced continuously ever since.
Who originally made the DL380?
Compaq Computer Corporation created the DL380 in 2000. After Compaq merged with HP in 2002 the line continued under HP, and it moved to Hewlett Packard Enterprise (HPE) when HP split into two companies in 2015. Today it's an HPE product.
How many generations of the DL380 are there?
More than a dozen. The lineage runs G1 through G7, then Gen8 (as the DL380p and DL380e), Gen9, Gen10, Gen10 Plus, Gen11, and the current Gen12 — over 12 generations across a 24-plus-year lifespan, making it one of the longest continuously produced servers in the industry.
Is the DL380 still being made, and what's the latest model?
Yes. The current model is the DL380 Gen12, built on Intel Xeon 6 processors with DDR5 memory (up to 8 TB), PCIe Gen5, and EDSFF E3.S NVMe storage. The DL380 Gen11 (4th/5th Gen Intel Xeon Scalable) remains widely deployed and available as well.
What made the DL380 so popular and reliable?
A combination of strong two-socket performance in a practical 2U form factor, high-availability features (redundant hot-plug power and fans, hot-swap drives, Advanced ECC memory, and later a silicon root of trust), and a modular, scalable design that suited businesses of every size. HP long described it as the world's best-selling server.
Can I still get parts for older DL380 generations?
Yes. We stock parts — drives, memory, power supplies, controllers, and more — for every DL380 generation, from the original G1 through the current Gen12, including both the DL380p and DL380e variants of Gen8. If you're unsure which generation you have, contact us with the serial number.
How much memory and what processors does the current DL380 support?
The DL380 Gen11 supports 4th and 5th Gen Intel Xeon Scalable processors with up to 8 TB of DDR5 across 32 DIMM slots, and the DL380 Gen12 uses Intel Xeon 6 with DDR5 up to 6400 MT/s, also up to 8 TB. Both are a major step beyond the DDR4-based Gen10 (up to 3 TB) and earlier generations.
The bottom line
The HPE ProLiant DL380 has earned its place as the world's best-selling 2U server the hard way — by reinventing itself every generation for more than two decades while never losing the performance and reliability that made its name. From the Pentium III G1 of 2000 to the Xeon 6, DDR5, PCIe Gen5 Gen12 of today, it remains the default choice for a versatile enterprise rack server. Whatever generation you run, we can keep it going: find DL380 parts by model or contact our team for help identifying the right components.
