Dell Inspiron 15R SE 7520 Specifications

Summary

Detailed hardware specifications for Dell Inspiron 14R/15R and M421R/M521R laptop series (models 5420, 5425, 5520, 5525, 7420, 7520). Covers physical dimensions, weight, supported processors (Intel Pentium, Core i3/i5/i7, AMD A4/A6/A8/A10), chipset (Intel HM77 or AMD A70M), DDR3 memory, HDD/SSD storage, display, camera, audio, WiFi, Bluetooth, Ethernet, NFC, ports, power adapter, and battery specs. For end users and IT technicians configuring or upgrading these Inspiron laptops.

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Specifications

© 2012–2013 Dell Inc. Dell™, the DELL logo, and Inspiron™ are trademarks of Dell Inc. Microsoft® and Windows® are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. Intel® is a registered trademark and Core™ is a trademark of Intel Corporation in the U.S. and other countries. AMD® is a registered trademark of Advanced Micro Devices, Inc. Bluetooth® is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license. 2013 - 10 A01 Regulatory Model: P33G/P25F | Type: P33G001/P33G002/P25F001/P25F002 Computer Model: Inspiron 5420/5425/5520/5525/7420/7520

Page Summary Contents For Dell Inspiron 15R SE 7520 Specifications

Page 1 Specifications © 2012–2013 Dell Inc. Dell™, the DELL logo, and Inspiron™ are trademarks of Dell Inc. Microsoft® and Windows® are either trademarks or registered trademarks of Microsoft Corporation in ...

Page 2 Inspiron Inspiron Dimensions 14R-5420/7420/ 15R-5520/7520/ Height (front and back) 28.88 mm to 31.60 mm 30.03 mm to 34.10 mm (1.14 inches to 1.24 (1.18 inches to 1.34 inches) inches) Width 347.00 mm (...

Page 3 Inspiron Inspiron Memory 14R-5420/7420/ 15R-5520/7520/ Connectors two internally-accessible two internally-accessible DDR3 SODIMM sockets DDR3 SODIMM sockets Capacities 2 GB and 4 GB 2 GB and 4 GB Min...

Page 4 Inspiron Inspiron Audio 14R-5420/7420/ 15R-5520/7520/ Controller Conexant CX20672-21Z Conexant CX20672-21Z Speaker 2 W 2 W Internal microphone single digital microphone single digital support in camer...

Page 5 Inspiron Inspiron Video 14R-5420/7420/ 15R-5520/7520/ Video memory Integrated Shared Shared Discrete 1 GB (Inspiron 14R-5420, 1 GB (Inspiron 15R-5520, Inspiron M421R-5425) Inspiron M521R-5525) 2 GB (I...

Page 6 Inspiron Inspiron Battery 14R-5420/7420/ 15R-5520/7520/ 6-cell “smart” lithium ion Height 20 mm (0.79 inches) 20 mm (0.79 inches) Width 208 mm (8.19 inches) 208 mm (8.19 inches) Depth 51 mm (2.00 inch...

Page 7 Inspiron Inspiron Power adapter 14R-5420/7420/ 15R-5520/7520/ Output current 3.34 A (Inspiron 3.34 A/4.62 A (continuous) 14R-5420/7420) 4.62 A (Inspiron 14R-5420/7420, Inspiron M421R-5425) Output powe...

Page 8 Inspiron Inspiron Touchpad 14R-5420/7420/ 15R-5520/7520/ X/Y position resolution 240 cpi 240 cpi (graphics table mode) Size Height 52.7 mm (2.07 inches) 52.7 mm (2.07 inches) sensor-active area sensor...

Page 9 Inspiron Inspiron Display 14R-5420/7420/ 15R-5520/7520/ Type 14.0” HD WLED True Life 15.6” HD WLED True Life (1366 x 768) (1366 x 768) 14.0” HD+ WLED True Life 15.6” FHD WLED, AG (optional) (1600 x 90...

Page 10 Inspiron Inspiron Computer environment Temperature range Operating 0 °C to 35 °C 0 °C to 35 °C (32 °F to 95 °F) (32 °F to 95 °F) Storage –40 °C to 65 °C –40 °C to 65 °C (–40 °F to 149 °F) (–40 °F to 1...

Manual Details

Brand	Dell
Pages	10
File Size	171.66 KB
Published	June 25, 2026

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Frequently Asked Questions

What is the maximum memory capacity for this laptop?

The maximum memory capacity is 8 GB.

What video card options are available?

Options include Intel HD graphics, AMD Radeon HD 7420G, 7520G, 7640G, or 7660G, or NVIDIA GeForce GT630M, GT640M, or 7730M.

What is the operating temperature range?

The operating temperature range is 0 °C to 35 °C (32 °F to 95 °F).

What is the weight of the laptop?

The weight is 2.40 kg (5.30 lb) for the 14-inch models and 2.78 kg (6.13 lb) for the 15-inch models.