# Memory Module HP 4GB DDR3L 1600MHz SODIMM

**URL:** https://aio.lv/en/product--hp-687515-h66-rfb--11494385
**Data updated:** 2026-01-12 19:34 (EET)
**Category:** Memory (RAM)
**Manufacturer:** HP
**Manufacturer code:** 687515-H66-RFB
**EAN:** 5715328015746
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 43.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 36.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-687515-h66-rfb--11494385

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The HP 4GB DDR3L 1600MHz SODIMM is a reliable memory module designed for laptops. It features a low voltage of 1.35V, ensuring energy efficiency while providing fast performance. With a data rate of 1600MHz, it enhances multitasking capabilities and overall system responsiveness. Ideal for upgrading your laptop's memory, this module is compatible with various HP models and offers a perfect balance of performance and power consumption.

## Long description

The HP 4GB DDR3L 1600MHz SODIMM (MPN 687515-H66-RFB, EAN 5715328015746) is a single-module laptop memory upgrade that provides 4GB of DDR3L low-voltage RAM operating at an effective frequency of 1600MHz. Designed for notebook and small-form-factor systems, this SODIMM uses 1.35V power to reduce energy consumption while maintaining system responsiveness for everyday computing tasks. The module is intended as a direct memory upgrade to increase available RAM and improve multitasking performance in compatible HP and other laptops that accept DDR3L SODIMM modules.
Advantages
This 4GB DDR3L 1600MHz SODIMM combines low voltage operation (1.35V) with the standard 1600MHz DDR3 data rate to deliver a balance of lower power draw and adequate bandwidth for typical mobile workloads. As a single, branded HP module (MPN 687515-H66-RFB), it simplifies compatibility checks for supported HP systems and maintains the physical SODIMM form factor used in most laptops. The modest capacity and industry-standard speed make it a straightforward, cost-effective option for upgrading older systems that support DDR3L memory.
Suitable for
 Upgrading laptop memory to improve multitasking and reduce swapping
 Replacing a faulty or missing 4GB DDR3L SODIMM module in compatible notebooks
 Systems that require low-voltage (1.35V) DDR3L modules for power-sensitive mobile use
 Small-form-factor PCs or industrial embedded systems that use SODIMM slots and support DDR3L 1600MHz
Key specifications
 Capacity: 4GB
 Type: DDR3L SODIMM
 Speed: 1600MHz (PC3-12800)
 Voltage: 1.35V (low voltage)
 Form factor: 204-pin SODIMM (standard laptop module)
 Manufacturer: HP
 MPN: 687515-H66-RFB
 EAN: 5715328015746
How to use
Turn off the laptop and disconnect all power sources, including the battery if removable. Open the access panel to the memory compartment according to the laptop manufacturer's instructions. Locate an available SODIMM slot or remove the existing module by releasing the retaining clips. Align the notch on the HP 4GB DDR3L 1600MHz SODIMM with the slot and insert at a slight angle before pressing down until the clips engage. Replace the access panel and reconnect power. Boot the system and verify that the operating system recognizes the additional 4GB of RAM in system information or BIOS/UEFI.
Usage recommendations
For optimal results, install memory modules in matched pairs where the system supports dual-channel operation; if adding this single 4GB module to an existing module, ensure the existing module is compatible (DDR3L, 1600MHz or compatible timing) to avoid performance or stability issues. Check the laptop documentation or HP support pages for maximum supported memory and compatible module configurations before installation.

## FAQ

### How much does the Memory Module HP 4GB 687515-H66-RFB cost, and is it available for purchase?

The price is 43.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All HP products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized HP service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty