HPE INT Xeon-g 6426Y CPU for HPE OEM - P61444-B21

HPE P61444-B21 Intel Xeon Gold Processor

Overview

The HPE P61444-B21 is a 4th Gen Intel Xeon Gold 6426Y processor—a 16-core, 32-thread CPU built for high-density server deployments where you need sustained multi-threaded performance without burning excessive power. At 2.5 GHz base clock with 4.1 GHz turbo, this processor delivers enough single-thread responsiveness for frame-grabbing tasks while scaling well across 16 cores for parallel transcoding, analytics batch processing, or virtualized VMS workloads. The 185 W TDP means thermal footprint stays predictable in a 2U or 1U chassis; the Socket LGA-4677 socket allows direct installation without rework.

This is an OEM-packaged part (P61444-B21), meaning it ships without retail heatsink or mounting hardware—typical for integrators who slot it into pre-qualified HPE platforms. If you're building or refreshing a surveillance backend (NVR cluster, transcoding appliance, or virtualization host), this processor-class delivers enough parallel throughput to handle 20+ concurrent H.265 decode streams or real-time object detection pipelines without throttling.

Key Features

• 16 cores, 32 threads at 2.5 GHz base: Sustains multi-camera analytics and live playback across dozens of streams simultaneously. Parallel workloads (transcoding, object detection re-runs, forensic export) don't starve each other on separate cores.
• 4.1 GHz turbo clock: Single-threaded tasks (live camera switch, timeline scrub, priority playback) respond crisply without waiting for all 16 cores to spin up—meaningful for operator interface latency in SOC environments.
• 37.5 MB L3 cache: Reduces main-memory latency on cache misses, particularly noticeable when handling large frame buffers or jumping between analytics datasets. More cache = fewer stalls on memory-bound workloads like dewarping or resize filters.
• DDR5-4400 (PC5-35200) support, up to 4 TB system memory: If your VMS platform supports DDR5, you gain 100% higher bandwidth per dimm than DDR4, cutting memory bottlenecks on analytics inference or multi-stream transcode queues. 4 TB ceiling means you can provision very large buffer pools without adding secondary storage.
• 185 W TDP: Predictable thermal envelope fits standard 2U/1U rack cooling without exotic fans. Lower TDP than prior Xeon generations for the same core count—critical in multi-socket deployments or datacenters with power capping.
• Intel Virtualization Technology (VT-x) and AES-NI: Enables secure VMotion, nested hypervisor features, and hardware-accelerated AES encryption for encrypted camera streams. Intel Trusted Execution Technology (TXT) adds attestation for high-security deployments.
• Socket LGA-4677 compatibility: Qualifies for HPE ProLiant Gen11 servers and similar third-gen Scalable platform boards. Verify your target motherboard revision before ordering—LGA-4677 is not backward-compatible with prior socket types.

Integration & Compatibility

The P61444-B21 integrates into any server platform that supports 4th Gen Intel Xeon Scalable (Sapphire Rapids) processors on LGA-4677 sockets. HPE ProLiant XL and DL series Gen11 systems (DL360 Gen11, DL380 Gen11, etc.) are primary targets. Before installation, confirm your platform BIOS supports this processor generation—older firmware may not recognize the model and boot loop or hang at power-on self-test.

For VMS integration, most surveillance platforms (Milestone XProtect, Genetec, Hanwha Wisenet, Hikvision) run as virtualized or bare-metal workloads on Linux or Windows Server—both fully compatible with Xeon Gold 6426Y. If you're deploying Kubernetes clusters for analytics (vehicle detection, person re-identification, anomaly scoring), the 16-core parallelism and DDR5 bandwidth make this processor a solid match for containerized inference jobs.

What's in the Box

OEM-packaged processor only. No heatsink, no thermal compound, no mounting bracket. You supply the LGA-4677 CPU cooler (standard tower or 1U passive blade-style), apply thermal interface material (typically pre-applied on OEM coolers), and mount into your target platform's socket. Most HPE ProLiant servers include a compatible cooler as part of the base kit.

Frequently Asked Questions

Q: Is the P61444-B21 compatible with HPE ProLiant DL360 Gen10?

A: No. The P61444-B21 uses Socket LGA-4677, which is exclusive to 4th Gen Xeon Scalable (Gen11) platforms. DL360 Gen10 uses Socket 3647 and supports only 3rd Gen Xeon Scalable processors. Verify your server generation before ordering.

Q: What is the maximum memory capacity with the P61444-B21?

A: The processor supports DDR5-4400 memory up to 4 TB total system capacity, assuming your motherboard supports the same. Check your server's datasheet for actual max memory configuration—physical slot count may limit capacity below the processor's theoretical maximum.

Q: Does the P61444-B21 come with a cooler or thermal compound?

A: No. This is an OEM-packaged part. You must source a compatible LGA-4677 CPU cooler separately. Most HPE ProLiant Gen11 servers include an appropriate cooler in the base system. Check your platform's specifications.

Q: What is the thermal design power (TDP) of the P61444-B21?

A: 185 W. This is the maximum heat dissipation under typical sustained load. Ensure your server's cooling solution and power supply can handle this rating plus other components.

Q: Can the P61444-B21 be used for video transcoding on an NVR?

A: Yes. The 16 cores and 32 threads handle parallel H.264/H.265 transcoding workloads efficiently. With DDR5 support and 37.5 MB L3 cache, it's well-suited for re-encoding video streams at scale, though you still need appropriate codec acceleration (Intel Quick Sync or separate GPU) for real-time 4K transcoding at high bitrates.

Q: What is the turbo/boost frequency of the P61444-B21?

A: 4.1 GHz maximum turbo clock. Single-threaded performance benefits from this higher clock when thermal and power conditions allow. Actual turbo behavior depends on core loading and ambient temperature.

Eden Phillips

The HPE P61444-B21 is a workhorse for mid-to-large surveillance backends that need to handle live decode, forensic export, and continuous analytics without stalling operator response. The 16-core, 32-thread architecture at 2.5 GHz base with 4.1 GHz turbo gives you enough parallel muscle to stream 20–30+ camera feeds simultaneously while running real-time object detection on a subset. The 37.5 MB L3 cache is the hidden win here—it cuts latency on large buffer operations, which matters when you're juggling dewarping, resize filters, and timeline scrubbing in the same process.

Technical Highlights:

• 16 cores / 32 threads: Scales linearly across four separate H.265 transcode jobs, analytics batch re-runs, or virtualized VMS instances without context-switch overhead bleeding into frame delivery.
• DDR5-4400 support (up to 4 TB): 100% more memory bandwidth than DDR4—significant when your analytics pipeline reads/writes large frame buffers or tensor datasets. Reduces memory bottleneck that typically throttles multi-stream inference.
• 185 W TDP, 4.1 GHz turbo: Fits standard 2U rack cooling without exotic solutions. Turbo handles interactive playback (live switch, scrub) responsively; base clock sustains 24/7 multi-stream workload without power-cap violations.
• Intel AES-NI + VT-x: Hardware-encrypted streams (TLS/SRTP from cameras) decode natively without CPU tax. Virtualization features unlock multi-tenant deployments or hypervisor-based failover.

Deployment Considerations:

• LGA-4677 socket is Gen11-only (ProLiant DL/XL Gen11, similar platforms). Do not assume backward compatibility with Gen10 or earlier—socket type and electrical spec differ completely.
• OEM package means no cooler included. Allocate 2–4 hours for procurement and thermal assembly. Most HPE ProLiant systems ship with compatible coolers, but confirm before install.
• DDR5 memory cost is higher than DDR4. If your platform supports DDR4, cost-benefit may favor DDR4-only boards unless you need the bandwidth for real-time inference or high-concurrency transcoding.

This processor is built for surveillance datacenters running dense, multi-stream workloads—not for single-camera edge appliances. If you're consolidating 50+ cameras into a central NVR cluster with on-box analytics, the P61444-B21 paired with Gen11 ProLiant hardware and DDR5 DIMM modules will scale efficiently without costly GPU co-processors.