Dell part number A2058521 identifies the A2058521 - Dell 4GB PC3-8500 DDR3-1066MHz non-ECC Unbuffered CL7 SoDIMM Dual-Rank Memory Module for Dell Precision M6400 Mobile Workstation, an enterprise-grade Laptop Memory unit appropriate for data-center, server-room, and workstation deployment. Technical specifications include capacity of 4 GB, pc standard of PC3-8500, number of sticks of 1, frequency of 1066 MHz, memory class of ECC, Unbuffered, SoDIMM, features of Dual-Rank. Typical workloads include VMware vSphere VM host memory, Kubernetes worker-node memory pool, in-memory database (Redis, Memcached, SAP HANA), and SAS / Splunk analytic workloads requiring large RAM footprint. Pro Disk Network maintains the A2058521 in our enterprise inventory and verifies each unit against manufacturer datasheet specifications prior to listing. Listed compatibility: Dell Precision M6400. Cross-verify against the OEM compatibility matrix before deployment for production workloads. New stock ships factory-sealed where available; refurbished units are tested under load before dispatch and ship with a 90-day Pro Disk Network functional warranty. Same-day dispatch on in-stock orders placed before 3pm ET; free standard ground shipping on US orders over $150.
The A2058521 is a Dell laptop memory component with capacity 4 GB, pc standard PC3-8500, number of sticks 1. Pro Disk Network sells the A2058521 for $138.82 with same-day US shipping and a 30-day return guarantee.
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Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the A2058521 are shown on this page.
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Quick Answer: What servers is the A2058521 compatible with?
The A2058521 is a Dell laptop memory module. Confirm DIMM rank, voltage, and speed against the target server's supported memory list before deployment - mixed configurations may downclock to the slowest installed module. For server-specific population diagrams, email sales@prodisknetwork.com with your server serial number.
How fast does the A2058521 ship?
A2058521 orders placed before 3 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
The A2058521 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.
In-Memory Database — SAP HANA, Redis Enterprise, Apache Ignite, Aerospike — workloads that scale linearly with DRAM capacity.
Hyper-V Cluster Node — Windows Server 2019/2022 Hyper-V hosts with Storage Spaces Direct. Dynamic memory allocation makes higher-density DIMMs cost-effective.
AI / ML Training — PyTorch and TensorFlow workloads benefit from large host memory pools for dataset preprocessing and CPU-side feature engineering.
Tanzu / Kubernetes Workers — Worker node memory expansion for high-density container deployments. Plan for 8–16 GB per moderate Pod baseline.
What is the A2058521?
The A2058521 is a Dell server memory module with capacity 4 GB and pc standard PC3-8500, manufactured by Dell. 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 A2058521
Pros
Recovery from no-POST errors when refreshing aging servers
Cons
Refurbished tier may show minor cosmetic markings
Not optimised for overclocked workstation builds
Frequently Asked Questions about A2058521
Is the A2058521 a genuine Dell part?
Yes. Pro Disk Network sources every A2058521 as factory-original Dell inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Dell servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
What servers is the A2058521 compatible with?
The A2058521 is a Dell laptop memory module. Confirm DIMM rank, voltage, and speed against the target server's supported memory list before deployment - mixed configurations may downclock to the slowest installed module. For server-specific population diagrams, email sales@prodisknetwork.com with your server serial number.
How fast does the A2058521 ship?
A2058521 orders placed before 3 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
What is the warranty on the A2058521?
New A2058521 units carry the full Dell manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (90 days refurbished). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the A2058521?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Compatibility: Rank, Density, and Channel Population Rules
Quad-rank modules behave differently from dual-rank: most modern Xeon platforms support 1-2 DPC (DIMMs per channel) at full speed with single- and dual-rank modules but downclock with quad-rank above 1 DPC. RDIMM and LRDIMM are not interchangeable in the same channel. ECC and non-ECC cannot be mixed. Server motherboards expect server DIMMs — the A2058521 is a server module and will not work in consumer desktop boards.
Pricing Strategy: New, Bulk, or Refurbished
If you are buying 16 or more modules at once, request a matched-lot quote: sequential manufacturing dates and serial numbers, which reduces variance in observed memory speeds across the channel. Pro Disk Network ships matched-lot orders for free on volumes of 16+.