APPLE / LITEON 614-0505 Thunderbolt Power Supply A1407 250W PA-3251-3A1

( Brand: Apple / Liteon ), ( Manufacturer Part Number: 614-0505 ), ( Compatible Brand: For Apple ), ( Form Factor: Internal Power Supply ), ( Type: Power Supply Board ), ( Unit Type: Unit ), ( Output Current: 10a ), ( 2.5a: 5v Standby ), ( Maximum Output Power: 250 W ), ( Output Voltage: 12 V ), ( Country Of Origin: China ), ( Compatible Product Line: Apple A1407 Thunderbolt And Apple A1316 Led Display )

Review APPLE / LITEON Thunderbolt Inch A1407 250w Power Supply Rev

The **Apple LITE-ON 614-0505 Thunderbolt 27" A1407 Power Adapter (PA-3251-3A1)** is a high-performance, industrial-grade power supply engineered specifically to deliver reliable and efficient energy to Apple s Thunderbolt 27" displays, including the A1407 model. Designed with Apple s stringent quality standards in mind, this power adapter is built to ensure seamless operation, minimizing power fluctuations and maximizing the lifespan of both the display and connected devices. Featuring a robust **250-watt output**, it provides the necessary juice to power the high-resolution, energy-efficient LED backlighting and advanced processing components of the Thunderbolt 27" monitor, ensuring optimal brightness, color accuracy, and responsiveness without overheating or instability. The adapter s compact yet sturdy construction incorporates high-quality materials, including reinforced internal wiring and a durable metal housing, which safeguards against physical damage and environmental factors like dust or moisture. Its **Thunderbolt-compatible design** ensures seamless integration with Apple s high-speed data transfer and video output protocols, making it an essential accessory for professionals who rely on the display s lightning-fast connectivity and vibrant visual performance. Whether used in a home office, creative studio, or corporate setting, this power adapter guarantees consistent power delivery, reducing the risk of sudden shutdowns or performance drops. Its **universal compatibility** with standard AC outlets worldwide (via the included adapter) further enhances its versatility, allowing users to deploy the Thunderbolt 27" display in diverse locations without compatibility concerns. Overall, the **LITE-ON 614-0505** is not just a power source it s a critical component in maintaining the peak performance, longevity, and reliability of Apple s premium display technology.

### **Pros and Cons of buying a Apple Lite-On 614-0505 Thunderbolt 27" Display (A1407, 250W PSU, PA-3251-3A1)**

1. **High-Quality Display** The 27-inch Thunderbolt display features a **5120 x 2880 resolution (5K)**, providing sharp, crisp visuals ideal for professional work, graphic design, video editing, and general productivity.

2. **Thunderbolt 2 Port** Supports **Thunderbolt 2 (10Gbps)**, enabling fast data transfer, external GPU connectivity, and multi-monitor setups when paired with compatible Macs (though newer Macs use Thunderbolt 3/4).

3. **Retina-Level Quality** The display has a **P3 wide color gamut (99% coverage)**, making it excellent for color-critical work like photo editing, video production, and design.

4. **Compact and Slim Design** The **ultra-thin profile** (1.1 inches deep) makes it space-efficient for desks.

5. **Reliable Power Supply** The **250W power adapter (PA-3251-3A1)** is a standard Apple design, ensuring compatibility and durability.

6. **Compatibility with Older Macs** Works with **MacBook Pro (Mid 2012 and later), Mac Pro (Late 2013), and iMac (Late 2013 and later)** that support Thunderbolt 2.

7. **Minimalist Build** The **aluminum frame** gives it a premium, professional look.

8. **Good Brightness & Contrast** The **500 nits brightness** and **1,000,000:1 contrast ratio** ensure clear visibility in well-lit environments.

1. **Thunderbolt 2 Limitations** The **Thunderbolt 2 port is slower than Thunderbolt 3/4** (10Gbps vs. 40Gbps), which may limit future-proofing for high-speed peripherals.

2. **No USB-C or HDMI** Unlike newer Thunderbolt displays, this model **does not support USB-C or HDMI**, reducing flexibility for connecting modern devices.

3. **No Touch or Interactive Features** Unlike some newer displays, this is a **passive screen** with no touch functionality.

4. **Higher Cost Compared to Alternatives** While not excessively expensive, it may be **more than budget-friendly 4K/5K displays** from other brands.

5. **Limited Mac Compatibility** Does **not work with newer Macs (2016 and later)** that use Thunderbolt 3/4, as they require Thunderbolt 3 ports.

6. **No Built-in Speakers or Camera** Unlike some all-in-one displays, this is purely a monitor with no additional features.

7. **Potential for Refurbished Units** Since Apple no longer sells this model, you may need to buy **refurbished or used**, which could have varying conditions.

---

### **Conclusion & Recommendation**

The **Apple Lite-On Thunderbolt 27" (A1407) is a high-quality, professional-grade display** that excels in **color accuracy, resolution, and build quality**, making it ideal for **designers, video editors, and power users** who need a premium screen with Thunderbolt 2 connectivity.

**However, its Thunderbolt 2 limitation means it is not future-proof** for newer Macs or high-speed peripherals. If you have a **Mac from 2012 2015** and need a **sharp, color-accurate display**, this is a solid choice. For newer Macs, consider a **Thunderbolt 3/4 or USB-C display** instead.

- **Buy if:** You have a **compatible older Mac (2012 2015)**, need **5K resolution for professional work**, and prioritize **color accuracy and build quality**.

- **Avoid if:** You have a **newer Mac (2016 )** or need **USB-C, HDMI, or Thunderbolt 3/4 support**.

- For **newer Macs**, look for **Dell UltraSharp, LG UltraFine, or Apple s newer Thunderbolt displays**.

- If **budget is a concern**, a **4K IPS monitor with USB-C** (like some Dell or LG models) may offer better long-term flexibility.

Overall, this display is **excellent for its intended use case** but may not be the best long-term investment due to Thunderbolt 2 s limitations.

Details:

USED-TESTED Apple Thunderbolt 27 Display A1407 250W Internal Power Supply 614-0505 LiteOn PA-3251-3A1 Rev. It is compatible with the A1407 Thunderbolt and Apple A1316 LED Cinema Display. This Power Supply Board was tested and removed from a working Apple A1407.

part #: 6140505 prices

• $39.99-$104.85

specifications monitopowsup:

• brand: Apple / Liteon
• mpn: 614-0505
• compatible brand: For Apple
• form factor: Internal Power Supply
• type: Power Supply Board
• unit type: Unit
• output current: 10a
• 2.5a: 5v Standby
• maximum output power: 250 W
• output voltage: 12 V
• country of origin: China
• compatible product line: Apple A1407 Thunderbolt And Apple A1316 Led Display

payments monitopowsup:

• wallet: Paypal
• other
• credit card: Diners-club

returns monitopowsup:

• policy: Returns Accepted
• paid by: Seller
• method: Money back
• time: 30 Days

general monitopowsup:

• Computers/Tablet's Networking > Monitors, Projectors Accs > Monitor Power Supplies
• condition: Used

offer monitopowsup:

• options: Ship-to-home
• best offers: True
• availability: In Stock
• quantity: 1
• sold: 0
• started: March 13, 2026

seller monitopowsup:

• city: Albuquerque, New Mexico
• # reviews: 168
• rating: 100.0%

shipping monitopowsup:

• class: Expedited
• carrier: USPS
• cost: $11.16
• type: Calculated
• transit: 4-8 Days
• service: USPS Priority Mail

Apple / Liteon 614-0505 Is Similar To:

• 0.0185868863635803 Original Apple Hd Cinema Display Power Adapter Supply (29.3% similar) Condition: used. Shows signs of normal use w some scuffs scratches blemishes sticker residue. I'll get back to you as soon I can. Comes as shown...(April 26th, 2018)
• 0.11201134045777894 Original Apple Hd Cinema Display Power Adapter Supply Qty (29.6% similar) Condition: used. I'll get back to you as soon I can. Shows signs of normal use w some scuffs scratches blemishes sticker residue. Comes as shown...(September 13th, 2018)
• 0.32032407985089995 Original Apple Hd Cinema Display Power Adapter Supply (29.1% similar) Condition: used. I'll get back to you as soon I can. Comes as shown. Shows signs of normal use w some scuffs scratches blemishes sticker residue...(June 11th, 2018)
• 0.42867162536573833 Genuine Oem Apple Cinema Hd Display Power Adapter (24.7% similar) Shows signs of normal use w some scuffs scratches blemishes sticker residue. Comes as shown. Condition: used...(July 14th, 2018)
• 0.44442976450966976 Apple Power Adapter Cinema Hd Display For (23.3% similar) Comes as shown. Condition: used. I'll get back to you as soon I can. Shows signs of normal use w some scuffs scratches blemishes sticker residue...(November 1st, 2018)
• 0.45082117016033907 Lot Genuine Apple Hd Cinema Display Power Adapter Supply (28.6% similar) Condition: used, working if a power adapter is required for this item, it not included cord shows signs of normal use w some scuffs scratches blemishes sticker residue no other accessories hardware software. I'll get back to you as soon I can...(June 20th, 2018)
• 0.4917937668576442 Genuine Oem Apple Cinema Hd Display Power Adapter Cord (24.1% similar) Condition: used, working if a power adapter is required for this item, it not included cord shows signs of normal use w some scuffs scratches blemishes sticker residue no other accessories hardware software. I'll get back to you as soon I can...(August 8th, 2018)
• 0.5129886048490944 Original Apple Hd Cinema Display Power Adapter Supply Cable (31.9% similar) Condition: used. Comes as shown. I'll get back to you as soon I can. Shows signs of normal use w some scuffs scratches blemishes sticker residue...(July 14th, 2018)
• 0.5148054807241618 Original Apple Hd Cinema Display Power Adapter Supply (29.3% similar) Condition: used. Comes as shown. Shows signs of normal use w some scuffs scratches blemishes sticker residue...(September 19th, 2018)
• 0.5595488801233299 Apple Power Adapter Cinema Hd Display For (23.4% similar) Shows signs of normal use w some scuffs scratches blemishes sticker residue. Condition: used. I'll get back to you as soon I can...(September 13th, 2018)
• 0.6206803450790375 Apple Power Adapter Cinema Hd Display For (23.4% similar) I'll get back to you as soon I can. Comes as shown. Condition: used. Shows signs of normal use w some scuffs scratches blemishes sticker residue...(October 11th, 2018)