--- title: "Lenovo ThinkPad T420" sku: L01 brand: Lenovo category: Lenovo price_pkr: 22500 currency: PKR stock_status: instock url: https://nnlaptops.com/product/lenovo-thinkpad-t420 url_markdown: https://nnlaptops.com/product/lenovo-thinkpad-t420.md image: https://nnlaptops.com/products/lenovo-thinkpad-t420-1.webp date_modified: 2026-06-12 --- # Lenovo ThinkPad T420 **Price:** Rs. 22,500 · **Brand:** Lenovo · **Category:** Lenovo · **SKU:** L01 · **Stock:** In stock [View on nnlaptops.com](https://nnlaptops.com/product/lenovo-thinkpad-t420) · [WhatsApp the shop](https://wa.me/923144000131?text=Hi%2C%20I'm%20interested%20in%20Lenovo%20ThinkPad%20T420%20(L01).) ## Specifications | Spec | Value | |------|-------| | Brand | Lenovo | | Condition | Used - Tested | | Model | ThinkPad T420 | | Series | ThinkPad T-Series | | Processor | Intel Core i5-2520M / 2540M | | Processor Generation | 2nd Generation (Sandy Bridge) | | Cores / Threads | 2 Cores / 4 Threads | | Base / Turbo Clock | 2.5GHz Base / 3.2GHz Turbo | | RAM | 4GB DDR3 1333MHz | | RAM Type | DDR3 SODIMM | | Max RAM | 16GB (2x 8GB) | | Storage | 320GB HDD | | Storage Type | SATA 2.5" HDD (SSD upgradable) | | Expansion / Upgrade Slots | 2x SODIMM RAM, 1x 2.5" SATA, Half-mini PCIe Wi-Fi, ExpressCard/34 | | Display Size | 14 inches | | Resolution | 1366 x 768 (HD) | | Panel Type | TN Matte | | Refresh Rate | 60Hz | | Touchscreen | No | | Graphics | Intel HD Graphics 3000 (integrated) | | Dedicated GPU | None (some T420 variants have NVIDIA NVS 4200M — confirm with Sayam) | | Operating System | Windows 11 (clean install) | | Release Year | 2011 | | Battery | 6-cell Li-Ion | | Battery Backup | Varies by cycle count — ask for battery health reading | | Backlit Keyboard | No (standard T420) / Yes (some T420 variants) | | Fingerprint Reader | Yes | | Webcam | Yes — 720p integrated | | Ports | USB 2.0 x2, USB 3.0 x1, VGA, DisplayPort, RJ-45 LAN, ExpressCard/34, 4-in-1 SD reader, 3.5mm audio | | Wi-Fi | Intel Centrino 802.11 b/g/n | | Bluetooth | Bluetooth 3.0 | | Weight | ~2.04 kg | | Colour | Black | | Body Material | Magnesium alloy roll cage, glass-fibre reinforced lid (MIL-SPEC 810G) | | Warranty | 15-day check warranty | ## Description The Lenovo ThinkPad T420 is a used, tested laptop available at N.N Laptop, Hafeez Center, Lahore. Every machine that enters our shop is condition-graded, bench-tested, and backed by a 15-day check warranty. No painted bodies, no hidden repairs — we are transparent about every unit. The ThinkPad T420 occupies a particular place in Pakistan's second-hand laptop market: it is the machine that IT professionals, students, and programmers keep recommending to each other because of its keyboard, its build quality, and its sheer repairability. This unit runs an Intel Core i5 2nd Generation processor — the 2520M or 2540M — paired with 4GB of DDR3 RAM and a 320GB hard drive across a 14-inch matte TN display . At Rs. 22,500 , the Lenovo ThinkPad T420 price in Pakistan 2026 reflects a machine that has been properly tested and carries warranty coverage, not a market-stall gamble. What Makes the T420 Worth Buying in 2026 The T420's military-grade durability spec (MIL-SPEC 810G) is no marketing claim — this chassis absorbs punishment that would crack a consumer laptop. The keyboard remains one of the best ever put on a notebook: deep travel, firm tactile feedback, full-size layout with a proper top row. The trackpoint eliminates the need for a mouse on a desk. The machine runs Windows 11 cleanly on its 2nd Gen i5, handles document work, web browsing, light coding, and online meetings without protest. Battery performance at this age varies by cycle count — ask Sayam on WhatsApp 0314 4000131 for the specific battery health reading on the unit in stock today, and he will send a screenshot or short video of the exact machine. Bench-Tested at Hafeez Center — What That Covers At N.N Laptops, Shop 66A, 3rd Floor, Hafeez Center, Gulberg III, Lahore , every used laptop goes through a structured pre-sale inspection: CPU stress test (temperature and throttle check), RAM diagnostic (MemTest pass), storage SMART data review, display pixel and backlight uniformity check, keyboard key-by-key pass, port and hinge test, webcam, speaker and microphone check, and WiFi/Bluetooth pairing test. The machine is then given a fresh Windows 11 install. What you receive is a machine that works — not one that worked when the previous owner sold it. Processor: Intel Core i5-2520M / 2540M (2nd Generation) Cores / Threads: 2 Cores / 4 Threads Base / Turbo Clock: 2.5GHz / 3.2GHz RAM: 4GB DDR3 1333MHz (upgradable to 16GB) Storage: 320GB HDD (SATA 2.5") Display: 14-inch HD (1366x768) TN matte Graphics: Intel HD Graphics 3000 (integrated) Operating System: Windows 11 (clean install) Ports: USB 2.0 x2, USB 3.0 x1, VGA, DisplayPort, RJ-45, ExpressCard/34, SD card reader, 3.5mm audio Wi-Fi: Intel Centrino 802.11 b/g/n Bluetooth: 3.0 Webcam: 720p integrated Battery: 6-cell (replacement batteries widely available) Body Material: Magnesium alloy roll cage, glass-fibre reinforced lid Weight: approx. 2.04 kg Condition: Used — bench-tested Warranty: 15-day check warranty Upgrade Path and Long-Term Value The T420 is one of the most upgradeable laptops ever made. The two DDR3 SODIMM slots can take 2x8GB for a total of 16GB. A SATA SSD swap transforms boot times from 45 seconds to under 10 seconds and costs Rs. 4,000-6,000 at our shop. The 2.5" bay accepts any standard drive. The Wi-Fi card is half-mini PCIe and swappable for an AC standard card. If you want a machine you can maintain yourself for years, this is it. Buyers across Lahore, Karachi, Islamabad, Rawalpindi, Faisalabad, Multan, and Peshawar can order through nnlaptops.com or contact Sayam directly on WhatsApp 0314 4000131 for live photos and a video of this exact unit. Free same-day Lahore delivery; nationwide via TCS or Leopards Courier. Walk into Shop 66A, 3rd Floor, Hafeez Center, Gulberg III, Lahore to inspect in person before buying. ## Compatibility, Warranty & Delivery FAQ ### Is the Lenovo ThinkPad T420 compatible with my existing setup? The Lenovo ThinkPad T420 is a standalone laptop. It works with any standard charger of the same brand/voltage, any USB / USB-C accessory, and any Pakistani WiFi network. Battery, RAM, and SSD are user-upgradeable on most models. WhatsApp 0314 4000131 with your specific use case and we'll confirm compatibility within 30 minutes. ### What warranty does the Lenovo ThinkPad T420 include? Every unit ships with our 15-day check warranty starting from delivery. If the laptop develops a covered fault — power, screen, keyboard, battery, ports, or any defect not disclosed in the listing — courier it back to N.N Laptop in Lahore and we cover return shipping. We then repair, replace, or refund — your choice. ### How does ordering and delivery work? Before you buy, we send clear photos and a short video of your exact unit so you know precisely what you're getting. Once you're happy, we ship nationwide via TCS / Leopards (same-day delivery inside Lahore — free on orders over Rs. 30,000; Rs. 250 under that) and share the tracking. WhatsApp 0314 4000131 to confirm. ### Same-day delivery in Lahore? Yes — orders placed before 6 PM with a Lahore delivery address typically arrive the same evening via our city rider. Lahore delivery is free on orders of Rs. 30,000 or more (Rs. 250 under that). Outside Lahore, delivery is 1–4 working days via TCS / Leopards. ## Pakistan-Wide Shipping | Region | Cost (PKR) | Transit (working days) | |--------|------------|------------------------| | Lahore (same-day) | Free on Rs. 30,000+ orders (Rs. 250 under) | 0 | | Rest of Punjab | Rs. 450 | 1–2 | | Federal Capital Territory | Rs. 450 | 1–2 | | Sindh (Karachi, Hyderabad) | Rs. 650 | 2–4 | | Khyber Pakhtunkhwa | Rs. 550–700 | 2–5 | | Balochistan (up to Quetta) | Rs. 700–850 | 2–5 | ## Contact - **WhatsApp / Phone:** 0314 4000131 (+92 314 4000131) - **Email:** Info.n.n.laptop@gmail.com - **Shop:** Shop 66A, 3rd Floor, Hafeez Center, Gulberg III, Lahore 54000 - **Hours:** Mon–Sat, 10:00 AM – 10:00 PM (closed Sunday) --- _Generated for LLM crawlers. Canonical HTML: https://nnlaptops.com/product/lenovo-thinkpad-t420. Last updated: 2026-06-12T02:00:21.725Z._