--- product_id: 566400425 title: "128MB HP LaserJet Printer 100-pin Memory for HP LaserJet 1320 2300 2505 2550 2605 2700 2820 2840 3390 3392 4100 4200 4300 5100 8150 9000 (p/n C9121A, Q9121A, Q7709A)" brand: "keystron" price: "€ 111.09" currency: EUR in_stock: true category: "Keystron" url: https://www.desertcart.be/products/566400425-128mb-hp-laserjet-printer-100-pin-memory-for-hp-laserjet store_origin: BE region: Belgium --- # Faster print jobs 128MB SDRAM boost Ultra-lightweight 1oz 128MB HP LaserJet Printer 100-pin Memory for HP LaserJet 1320 2300 2505 2550 2605 2700 2820 2840 3390 3392 4100 4200 4300 5100 8150 9000 (p/n C9121A, Q9121A, Q7709A) **Brand:** keystron **Price:** € 111.09 **Availability:** ✅ In Stock ## Summary > 🚀 Upgrade your print game—because slow printers are so last decade! ## Quick Answers - **What is this?** 128MB HP LaserJet Printer 100-pin Memory for HP LaserJet 1320 2300 2505 2550 2605 2700 2820 2840 3390 3392 4100 4200 4300 5100 8150 9000 (p/n C9121A, Q9121A, Q7709A) by keystron - **How much does it cost?** € 111.09 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/566400425-128mb-hp-laserjet-printer-100-pin-memory-for-hp-laserjet) ## Best For - keystron enthusiasts ## Why This Product - Trusted keystron brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Light as a Feather:** Weighing just 1 ounce, it adds power without bulk—keep your workspace sleek and efficient. - • **Memory Upgrade Magic:** 128MB SDRAM turbocharges your HP LaserJet for seamless multitasking and complex print jobs. - • **Speed That Saves Time:** Slash wait times with faster processing—perfect for high-volume professionals who demand efficiency. - • **Plug & Play Simplicity:** Effortless installation with clear HP instructions—no tech headaches, just instant performance. - • **Universal Compatibility:** Works flawlessly across 15+ HP LaserJet models, making it the smart upgrade for your office arsenal. ## Overview This 128MB SDRAM memory module (100-pin) is a lightweight, cost-effective upgrade for a wide range of HP LaserJet printers, dramatically improving print speed and handling of complex documents. Easy to install and compatible with over 15 HP models, it transforms your printer into a productivity powerhouse without breaking the bank. ## Description Buy Keystron 128MB HP LaserJet Printer 100-pin Memory for HP LaserJet 1320 2300 2505 2550 2605 2700 2820 2840 3390 3392 4100 4200 4300 5100 8150 9000 (p/n C9121A, Q9121A, Q7709A) online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase. ## Features - Lightweight ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00FAY6SVQ | | Additional Features | Lightweight | | Brand | Keystron | | Computer memory size | 128 MB | | Customer Reviews | 4.4 out of 5 stars 41 Reviews | | Item Weight | 1 Ounces | | Mfr Part Number | 4328385936 | | Model Number | C9121A, Q9121A, Q7709A | | Number of Pins | 100 | | Number of pins | 100 | | RAM Memory Technology | SDRAM | | RAM Size | 128 MB | | Ram memory technology | SDRAM | | Special features | Lightweight | | UPC | 609728998219 | ## Product Details - **Brand:** Keystron - **Computer memory size:** 128 MB - **Memory speed:** 100 MHz - **Ram memory technology:** SDRAM - **Special features:** Lightweight ## Images ![128MB HP LaserJet Printer 100-pin Memory for HP LaserJet 1320 2300 2505 2550 2605 2700 2820 2840 3390 3392 4100 4200 4300 5100 8150 9000 (p/n C9121A, Q9121A, Q7709A) - Image 1](https://m.media-amazon.com/images/I/71Z02N45DPL.jpg) ## Questions & Answers **Q: On my hp 4200, i have killed my 64mb ram trying to add a 48mb ram. do you confirm this 128mb can replace my dead ram on my laserjet hp4200 ?** A: It should. Just try not to get it killed again :) **Q: Hp 4100 has 4 slots. manual says not to remove lowest slot 1. it's 16 mb. why? this keeps me from putting in full 256 mb.** A: HP incorporates and stores software need by the printer in a portion of the first memory module. Removing this module or placing in a slot other than 1 will make the printer inoperable in most models. **Q: mpc akai 1000 compatable??** A: No. The correct item is at listing below, https://www.amazon.com/dp/B00SYQ4VD4 **Q: Where is additional memory for an hp laserjet 4200 / 4300 printer installed or where would i get a diagram of this particular printer? thanks!** A: Mine is an HP 2300. But if you go to Youtube and search "HP 4300 memory" bunch of instructions come up. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/566400425-128mb-hp-laserjet-printer-100-pin-memory-for-hp-laserjet](https://www.desertcart.be/products/566400425-128mb-hp-laserjet-printer-100-pin-memory-for-hp-laserjet) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-10*