HPE 783934-B21 XL450 Gen9 Intel Xeon E5-2670v3 2.3GHz 12-core 30MB Processor

• Manufacturer: HPE
• Part Number: 783934-B21
• Processor: Intel Xeon E5-2670 v3
• Clock Speed: 2.3GHz
• Core Count: 12 Cores / 24 Threads
• Cache: 30MB Intel Smart Cache
• Thermal Design Power: 120W
• Socket: FCLGA 2011-3
• Kit Includes: XL450 G9 Standard Heatsink & Intel Xeon Processor

HPE 783934-B21 XL450 Gen9 Intel Xeon E5-2670 v3

The HPE 783934-B21 XL450 Gen9 Intel Xeon E5-2670 v3 2.3GHz 12-core 30MB Processor belongs to a class of enterprise-grade CPUs designed for data center workloads that demand balanced multi-threaded throughput, strong memory bandwidth, and reliability under constant load. This category page focuses on the processor SKU as it appears in HPE XL450 and comparable Gen9 server platforms, covering architecture highlights, practical deployment scenarios, compatibility notes, thermal and power considerations, and guidance for system integrators and procurement teams.

Key identity and search keywords

Use these target phrases to optimize for search and discovery: HPE 783934-B21, XL450 Gen9, Intel Xeon E5-2670 v3, 2.3GHz 12-core processor, 30MB cache, Gen9 server CPU, enterprise Xeon v3. These combinations reflect how buyers and technicians look for compatible parts, replacements, and upgrade options.

Technical characteristics and architecture details

Processor core and cache profile

783934-B21 The E5-2670 v3 is presented here as a 12-core processor optimized for parallel workloads. Its sizable 30 MB of shared cache is tuned to reduce memory latency for multithreaded applications. This combination helps maintain consistent latency for database operations, virtualization hosts, and compute clusters that rely on both per-core performance and shared cache efficiency.

Hyper-threading and logical processors

When hyper-threading is enabled at the BIOS level, each physical core exposes two logical processors — allowing operating systems and hypervisors to schedule up to 24 threads simultaneously. This thread density benefits heavily concurrent workloads such as virtual machine consolidation, container orchestration, and high-parallel analytics.

Memory support and subsystem

When used in compatible Gen9 platforms, the processor works with modern server memory subsystems. Expect support for DDR4 registered DIMMs with multi-channel operation that maximizes bandwidth; this is key for memory-sensitive applications and large in-memory databases. Memory configuration and population order matter — populate channels symmetrically for best throughput.

Platform interface and socket compatibility

The processor is intended for HPE Gen9 line cards and server boards designed for the relevant Intel server socket and chipset generation. Compatibility with the server’s firmware and chipset is essential: BIOS revisions and HPE platform firmware updates may be required to fully enable all CPU features and to assure stability under heavy, mixed workloads.

How to check compatibility with your Gen9 platform

Before purchasing or replacing parts, verify that your server’s model and motherboard explicitly list support for the E5-2670 v3 generation. HPE’s parts compatibility lists and maintenance guides are authoritative sources for this — firmware level and BIOS

Interoperability with HPE management tools

783934-B21 The processor integrates with HPE’s platform management stack (iLO, system ROM) to present telemetry such as temperature, power draw, and utilization. Properly configured iLO can provide remote monitoring and event logging that supports both maintenance and capacity planning.

Storage and I/O considerations when deploying this processor

CPU selection is only one component of overall application performance. For IO-intensive workloads, ensure that storage stacks (NVMe, SAS, RAID controllers) and network fabric (10GbE or faster) are balanced with CPU and memory capacity to avoid bottlenecks.

Thermal, power, and reliability considerations

Thermal management

Enterprise processors need effective chassis airflow and properly seated heatsinks. For the XL450 Gen9 class, standard HPE heatsink assemblies and qualified fans are recommended. Track CPU temperatures in platform telemetry and verify that the server’s cooling profile matches the expected thermal envelope under peak load.

Power provisioning and efficiency

When deploying multiple processors or densely populated chassis, verify that power supplies and distribution capacity are adequate. Efficient power provisioning and intelligent power profiles can reduce operational expense and prevent thermal throttling that reduces sustained throughput.

Reliability and fault tolerance

Use ECC memory and follow HPE’s recommended DIMM configurations to maintain data integrity. Also ensure that system health monitoring alerts are configured to notify administrators proactively of thermal events, voltage issues, or DIMM errors that could impact uptime.

HPE 783934-B21 12-core 30MB Processor

Genuine parts and supplier verification

Purchase from authorized HPE channels or reputable secondary market vendors who provide part numbers and, wherever possible, serial number traceability. Confirm warranty terms and return policies; for refurbished items, request test logs and clear grading information to assess expected remaining life and performance.

Stock keeping and part number clarity

Always match both vendor SKU and Intel designation when ordering. 783934-B21 The HPE part number ensures mechanical and firmware compatibility within the HPE ecosystem; the Intel name clarifies the CPU family and performance characteristics.

Platform security features

When combined with Gen9 platform firmware and HPE iLO, this processor supports standard server security features such as secure boot, TPM integration, and remote management. Incorporating these tools into configuration and provisioning workflows improves the ability to meet compliance and audit requirements.

Microcode and vulnerability mitigation

783934-B21 Modern server CPUs and their platform firmware periodically receive updates to address speculative execution and other microarchitectural vulnerabilities. Plan a maintenance window for microcode and BIOS updates as part of ongoing vulnerability management.

Comparisons and positioning vs other SKU classes

Gen9 E5 v3 family context

Within the E5 v3 family, the 12-core configuration presents a middle ground between high-core-density models and high-frequency models. It is positioned for organizations seeking a predictable balance of throughput per watt and per-socket scaling.

Comparing to newer generations

Newer generation Intel Xeon processors and alternative architectures may offer higher core counts, faster interconnects, or improved single-threaded performance. However, the HPE 783934-B21 configuration provides a proven, cost-effective platform for existing Gen9 infrastructures where capital preservation and known reliability are priorities.

Typical deployment architectures and example topologies

Single-socket roles

In single-socket deployments, the processor can power dedicated application servers, dedicated database read replicas, or edge aggregation nodes. Single-socket designs reduce licensing costs for software priced per CPU socket while still offering ample threading for most mid-sized workloads.

Dual-socket and scale-out clusters

In multi-socket configurations, careful NUMA tuning and balanced memory population are crucial. Use multi-socket setups for horizontally scalable services, in-house cloud nodes, or compute clusters where interconnect latency is mitigated by efficient software design.

Meta content suggestions for category pages

For the page meta description and on-page schema, include the SKU, platform, and the main selling points: multi-core performance, Gen9 compatibility, and ideal workloads (virtualization, databases, mid-range compute). Crafting concise meta descriptions that match common search queries improves click-throughs from buyers searching for parts, upgrades, or replacements.