The Apple 661-4186 (661-4186 - Apple 1GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDIMM Dual Rank Memory Module for MacBook Pro) is a Laptop Memory component engineered for sustained enterprise-class workloads. This part addresses common procurement scenarios where exact-match replacement, capacity expansion, or new-build deployment is required. Technical specifications include capacity of 1 GB, pc standard of PC2-5300, number of sticks of 1, frequency of 667 MHz, connector of 200-pin, memory class of ECC, Unbuffered, SoDIMM, features of Dual-Rank. Common deployment scenarios include database server upgrades (in-memory caches, SQL buffer pools), VMware ESXi / Hyper-V virtualization host memory expansion, GPU compute scratch pools, and HPC node provisioning. Pro Disk Network sources the 661-4186 through reputable distribution channels and applies a verification check against the OEM compatibility matrix before each unit is added to active inventory. Listed compatibility: MacBook Pro. Cross-verify against the OEM compatibility matrix before deployment for production workloads. Each unit ships from a US fulfillment hub (Hillsboro OR, Atlanta GA, or Phoenix AZ) with same-day dispatch on in-stock orders before 3pm ET. 90-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.
The 661-4186 is a Apple laptop memory component with capacity 1 GB, pc standard PC2-5300, number of sticks 1. Pro Disk Network sells the 661-4186 for $133.71 with same-day US shipping and a 30-day return guarantee.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 661-4186 are shown on this page.
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Quick Answer: What servers is the 661-4186 compatible with?
The 661-4186 is a Apple 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 661-4186 ship?
661-4186 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 661-4186 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 661-4186?
The 661-4186 is a Apple server memory module with capacity 1 GB and pc standard PC2-5300, manufactured by Apple. 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 661-4186
Pros
Lower cost than buying through the OEM channel
Same-day US shipping cuts deployment lead time
Cons
Memory must match existing DIMM rank/density for channel balance
Higher density modules can drop overall channel speed
BIOS update may be required on older revisions
Frequently Asked Questions about 661-4186
Is the 661-4186 a genuine Apple part?
Yes. Pro Disk Network sources every 661-4186 as factory-original Apple inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Apple servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
What servers is the 661-4186 compatible with?
The 661-4186 is a Apple 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 661-4186 ship?
661-4186 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 661-4186?
New 661-4186 units carry the full Apple 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 661-4186?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the 661 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
661-4100 — 661-4100 - Apple 750GB 7200RPM SATA 3.5-inch Hard Drive with Carrier for Xserve A1196 — $802.18
661-4104 — 661-4104 - Apple 160GB 5400RPM SATA 2.5-inch Hard Drive for Mac Mini — $520.21
661-4106 — 661-4106 - Apple 2.16GHz CPU Logic Board (Motherboard) for iMac 17 — $2,444.22
661-4108 — 661-4108 - Apple 2.16GHz CPU Logic Board (Motherboard) for iMac 20 — $2,444.22
661-4109 — 661-4109 - Apple 2.33GHz CPU Logic Board (Motherboard) for iMac 20 — $2,975.50
661-4110 — 661-4110 - Apple 2.16GHz CPU Logic Board (Motherboard) for iMac 20 — $1,647.32
661-4111 — 661-4111 - Apple 2.33GHz CPU Logic Board (Motherboard) for iMac 20 — $2,001.50
661-4112 — 661-4112 - Apple Inverter Board — $283.04
661-4114 — 661-4114 - Apple 512MB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDIMM Single Rank Memory Module for MacBook Pro — $142.30
661-4115 — 661-4115 - Apple 1GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDIMM Dual Rank Memory Module for MacBook Pro — $133.71
661-4116 — 661-4116 - Apple 1.83GHz CPU Logic Board (Motherboard) for iMac — $182.37
661-4135 — 661-4135 - Apple 200GB 4200RPM SATA 2.5-inch Hard Drive for MacBook Pro A1212 — $575.09
Pro Disk Network Buyer’s Guide: Laptop Memory
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 661-4186 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+.