Product Overview

HP Internal Power Cable Assembly for ProLiant DL785 G5 / DL785 G6 (AH233-2004A) — a reliable, OEM-grade internal power cable engineered to ensure stable power delivery inside enterprise rack servers. Ideal for system builders, data center technicians, and IT procurement teams looking for a direct-fit replacement or spare part.

Key Features and Benefits

Durable, Server-Grade Construction

Built to HP specifications, this internal power cable assembly offers robust construction and consistent performance under continuous load. The cable delivers dependable connections that reduce downtime and maintain server health.

Compatibility and Fit

Specifically designed for use with the HP ProLiant DL785 G5 and DL785 G6 series, part number AH233-2004A. This ensures plug-and-play compatibility and eliminates fitment guesswork during maintenance or upgrades.

Technical Specifications

Basic Product Data

Product Type: Internal Power Cable / Cable Assembly
Manufacturer: HP (Hewlett-Packard Enterprise)
Manufacturer Part Number (MPN): AH233-2004A
Target Systems: ProLiant DL785 G5, DL785 G6

Electrical and Mechanical Details

The cable assembly is engineered for high-current server environments and follows HP’s connector pinout and insulation standards. It offers secure latching connectors and a cable jacket rated for prolonged operation in dense rack configurations.

Cable Characteristics

High-quality conductor materials for low-resistance power transfer
Shielding and insulation to minimize electromagnetic interference
Locking connectors to prevent accidental disconnection
Appropriate length for internal routing inside chassis

Safety Tips

Avoid forcing connectors — confirm alignment before insertion.
Keep cable loops neat to maintain optimal airflow and cooling.
Use manufacturer-approved replacement parts to preserve system reliability.

Performance & Reliability

This HP cable assembly is manufactured to deliver enterprise-level reliability. It helps maintain stable power rails within the ProLiant DL785 chassis, supporting multi-CPU and high-memory configurations commonly used in virtualization, database, and HPC workloads.

Longevity Factors

Quality connectors reduce wear through multiple service cycles
Durable sleeving protects the conductors from abrasion
Proper installation preserves cooling efficiency and component life

AH233-2004A: OEM internal power cable for HP ProLiant DL785 G5 / G6

Key technical features and construction

OEM grade harness manufactured to HP mechanical and electrical tolerances.
Multi-conductor cable with conductors sized to limit voltage drop under rated loads.
Heat-resistant insulation optimized for continuous operation in server environments.
Robust, keyed connectors to prevent mis-mating and ensure correct polarity.
Optimized length and routing form to maintain OEM airflow patterns and to fit factory tie-offs.
Optional signal lines for fan speed monitoring or presence detection where applicable.

Compatibility matrix and system-level considerations

Compatibility extends across the DL785 G5 and G6 revisions that share the same internal connector architecture. Before ordering or installing the AH233-2004A, verify the server chassis revision, internal backplane and power distribution modules. Differences between chassis sub-revisions can include connector orientation, mounting clip locations and small pinout variations; procurement and service teams should cross-reference service tags, spare part listings and official HP parts tables to confirm fitment.

Checklist to confirm compatibility

Confirm chassis model: ProLiant DL785 G5 or DL785 G6.
Record system Service Tag and HW revision from system management utilities or chassis stickers.
Compare current harness part number and connector shape to AH233-2004A images or diagrams.
Reference the HP maintenance and replacement guide for connector pinouts and harness routing diagrams.

Electrical specifications, pinout and signal mapping

Understanding the electrical characteristics is essential for safe installation and troubleshooting. The AH233-2004A harness carries power rails and associated returns necessary for fan tray operation and potentially low-voltage monitoring signals. Exact conductor gauges, rated currents and pin assignments can vary by revision; always consult the official service manual or HP technical documentation for the specific chassis revision you are servicing.

Typical electrical attributes

Conductor type: multi-strand copper designed for flexibility and current capacity.
Insulation rating: high-temperature thermoplastic to resist prolonged elevated ambient temperatures.
Connectors: OEM keyed multipin housings with retention latches to ensure solid contact.
Current handling: sized to support multiple fan rails with margin for inrush currents during spin-up.
Grounding: integrated return conductors and chassis bonding points when required by the server design.

Mechanical design, routing and airflow impact

In high-density servers like the DL785, mechanical layout and cable routing affect thermal performance. AH233-2004A is manufactured with a routing length and shape that nest within factory channels and snaps, reducing the risk of airflow obstruction. The harness should be routed along factory tie points and kept clear of CPU heatsink towers, DIMM banks and expansion card airflow corridors to preserve thermal efficiency.

Best routing practices

Follow factory cable channels and clips to minimize interference with airflow.
Use manufacturer-recommended tie points—avoid over-tightening cable ties that compress conductors.
Keep slack neat and away from fans and heat sinks to prevent vibration-induced wear.
When servicing, replace any damaged snap clips to maintain the original routing geometry.

Diagnostics, troubleshooting and failure modes

Harness-related failures often present as fan errors, abnormal temperature readings, or system alerts that reference fan channels or power distribution. A stepwise diagnostic approach helps isolate harness-related faults from fan module failures or motherboard issues.

Troubleshooting workflow

Review system logs and management alerts for specific fault codes.
Perform visual inspection for melted insulation, discoloration, or burnt odors near connectors.
Reseat harness connectors and power-cycle the system to verify whether the fault persists.
Swap harnesses with a verified-good spare when available to isolate the faulty component.
Measure voltages at the harness interface only if qualified and following appropriate safety protocols.

Common symptom-to-cause mapping

Intermittent fan speed reporting — weak contact on tach/presence pin or partial conductor break.
Single fan channel failure — possible missing power rail or connector pin failure localized to that pin.
Burnt smell or heat discoloration — immediate removal and inspection; investigate root cause such as overcurrent or connector damage.

Recommended inspection schedule

Quarterly visual inspections in production environments with high utilization.
Post-service inspections after any component replacement or internal reconfiguration.
Ad hoc inspections when environmental conditions (e.g., elevated datacenter temperatures) exceed normal thresholds.

Record keeping and spare-part management

Document part numbers, lot numbers and installation dates. Maintain a small number of OEM AH233-2004A spares sized to your MTTR and criticality of the server cluster. Label spares with purchase and lot details to support traceability and warranty claims.

How to verify authenticity and fit-for-purpose

Request manufacturer or authorized reseller documentation confirming the AH233-2004A part number and revision.
Inspect packaging for HP labeling, barcodes and anti-tamper seals where applicable.
Ask for visual references—clear photographs of connectors and harness routing—to compare to installed hardware.
When possible, purchase through HP’s spare-part catalog or an authorized HP parts distributor to preserve warranty and support relationships.

Comparison with similar HP harnesses and variants

HP often produces multiple harness variants for close-fit configurations. Differences can include connector types, presence/absence of monitoring lines, and cable length. When substituting, match pinout and mechanical routing exactly. Minor differences in gauge or insulation rating may cause long-term operational issues if substituted carelessly.

Variant selection rules

Never assume visual similarity equals electrical equivalence—use part numbers and pinouts to confirm.
Match length and connector orientation to avoid routing conflicts that affect cooling.
Prefer parts that explicitly list compatibility with the DL785 G5/G6 series.

Environmental compliance, recycling and end-of-life

Dispose of retired harnesses in accordance with local e-waste regulations. Many harnesses contain recyclable metals and plastics; coordinate with certified e-waste processors to reclaim materials and to document proper disposal for compliance purposes.

End-of-life procedures

Disconnect and isolate harnesses from powered chassis prior to removal.
Segregate cables by material type where recycling partners require separation.
Maintain disposal records and certificates from recycling partners for audit trails.

Metadata and structured data tips

Use Product schema markup: include brand (HP), mpn (AH233-2004A), compatibility array (ProLiant DL785 G5, DL785 G6), image, SKU and availability. Provide a concise meta description that includes the part number and primary compatibility to improve click-through from search engine results pages (SERPs).

AH233-2004A HPE Internal Power Cable Assembly For Proliant Dl785 G5 Dl785 G6

Brief Overview of AH233-2004A